{"id":20738,"date":"2026-08-25T18:00:56","date_gmt":"2026-08-25T12:30:56","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=20738"},"modified":"2026-10-06T09:05:50","modified_gmt":"2026-10-06T03:35:50","slug":"ad16-22sm-22mm-flash-led-indicator-buzzer-220v-ac","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/ad16-22sm-22mm-flash-led-indicator-buzzer-220v-ac\/","title":{"rendered":"AD16-22SM 22mm Flash LED Indicator Light with Buzzer 220V AC"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"107\" data-end=\"300\">The <strong data-start=\"111\" data-end=\"183\">AD16-22SM 22mm Flash LED Signal Indicator with Built-in Piezo Buzzer<\/strong> is a compact audio-visual warning device designed for industrial, commercial and domestic electrical control panels.<\/p>\n<p data-start=\"302\" data-end=\"501\">It combines a <strong data-start=\"316\" data-end=\"358\">high-visibility flashing LED indicator<\/strong> \u0914\u0930 \u090f\u0915 <strong data-start=\"365\" data-end=\"390\">built-in piezo buzzer<\/strong> in a single panel-mounted unit, allowing users to receive both visual and audible alerts from the same device.<\/p>\n<p data-start=\"503\" data-end=\"831\">Designed for a <strong data-start=\"518\" data-end=\"536\">220V AC supply<\/strong> and standard <strong data-start=\"550\" data-end=\"573\">22mm panel mounting<\/strong>, this signal indicator is suitable for compatible <strong data-start=\"624\" data-end=\"830\">steam iron boiler control panels, industrial sewing machine control boxes, automatic water-level controllers, electrical distribution panels, machine-control cabinets and industrial automation equipment<\/strong>.<\/p>\n<h2 data-section-id=\"1rbzvcq\" data-start=\"987\" data-end=\"1002\">WHAT YOU GET<\/h2>\n<ul data-start=\"1004\" data-end=\"1185\">\n<li data-section-id=\"vhtcbh\" data-start=\"1004\" data-end=\"1058\"><strong data-start=\"1006\" data-end=\"1058\">1 \u00d7 AD16-22SM LED Indicator with Built-in Buzzer<\/strong><\/li>\n<li data-section-id=\"1vg4j2\" data-start=\"1059\" data-end=\"1091\">22mm panel-mount configuration<\/li>\n<li data-section-id=\"gem1o0\" data-start=\"1092\" data-end=\"1114\">LED visual indicator<\/li>\n<li data-section-id=\"k0iwr1\" data-start=\"1115\" data-end=\"1138\">Built-in piezo buzzer<\/li>\n<li data-section-id=\"uj2qa1\" data-start=\"1139\" data-end=\"1185\">Suitable for compatible 220V AC applications<\/li>\n<\/ul>\n<h2 data-section-id=\"1ukjtrq\" data-start=\"1187\" data-end=\"1201\">KEY FEATURES<\/h2>\n<h3 data-section-id=\"14pe16n\" data-start=\"1203\" data-end=\"1232\">Dual Audio-Visual Warning<\/h3>\n<p data-start=\"1234\" data-end=\"1296\">The unit combines two warning functions in one compact device:<\/p>\n<ul data-start=\"1298\" data-end=\"1399\">\n<li data-section-id=\"pckkq1\" data-start=\"1298\" data-end=\"1346\"><strong data-start=\"1300\" data-end=\"1322\">Flashing LED light<\/strong> for visual notification<\/li>\n<li data-section-id=\"f1b4ll\" data-start=\"1347\" data-end=\"1399\"><strong data-start=\"1349\" data-end=\"1374\">Built-in piezo buzzer<\/strong> for audible notification<\/li>\n<\/ul>\n<p data-start=\"1401\" data-end=\"1509\">This makes it useful for machine alarms, water-level warnings, fault indication and equipment-status alerts.<\/p>\n<h3 data-section-id=\"1stsa0u\" data-start=\"1511\" data-end=\"1543\">High-Visibility Flashing LED<\/h3>\n<p data-start=\"1545\" data-end=\"1664\">The bright LED provides a clear flashing visual signal that can be easily noticed from the machine operator&#8217;s position.<\/p>\n<p data-start=\"1666\" data-end=\"1827\">It is particularly useful in industrial environments where machinery, lighting and background activity can make conventional indicator lamps difficult to notice.<\/p>\n<h3 data-section-id=\"1yqzy3n\" data-start=\"1829\" data-end=\"1854\">Built-in Piezo Buzzer<\/h3>\n<p data-start=\"1856\" data-end=\"1975\">The integrated buzzer provides an audible alert to draw attention to the associated machine or control-panel condition.<\/p>\n<ul data-start=\"2015\" data-end=\"2116\">\n<li data-section-id=\"rtpj1b\" data-start=\"2015\" data-end=\"2032\">Low water level<\/li>\n<li data-section-id=\"6hbo6f\" data-start=\"2033\" data-end=\"2048\">Machine fault<\/li>\n<li data-section-id=\"134efj8\" data-start=\"2049\" data-end=\"2062\">Pump status<\/li>\n<li data-section-id=\"z4fy6c\" data-start=\"2063\" data-end=\"2077\">Boiler alarm<\/li>\n<li data-section-id=\"199qw4r\" data-start=\"2078\" data-end=\"2097\">Emergency warning<\/li>\n<li data-section-id=\"1qljnpy\" data-start=\"2098\" data-end=\"2116\">Equipment status<\/li>\n<\/ul>\n<h3 data-section-id=\"1l1p71z\" data-start=\"2118\" data-end=\"2139\">220V AC Operation<\/h3>\n<p data-start=\"2141\" data-end=\"2204\">Designed for compatible <strong data-start=\"2165\" data-end=\"2203\">220V AC control-panel applications<\/strong>.<\/p>\n<p data-start=\"2206\" data-end=\"2302\"><strong data-start=\"2206\" data-end=\"2302\">Always verify the actual voltage rating printed on the product before electrical connection.<\/strong><\/p>\n<h3 data-section-id=\"1nl2iqu\" data-start=\"2304\" data-end=\"2333\">Standard 22mm Panel Mount<\/h3>\n<p data-start=\"2335\" data-end=\"2479\">The AD16-22SM is designed for a standard <strong data-start=\"2376\" data-end=\"2397\">22mm panel cutout<\/strong>, making it suitable for many industrial control panels and electrical enclosures.<\/p>\n<h3 data-section-id=\"pv9xgu\" data-start=\"2481\" data-end=\"2500\">Durable Housing<\/h3>\n<p data-start=\"2502\" data-end=\"2612\">The indicator uses a durable, flame-resistant style housing suitable for demanding control-panel environments.<\/p>\n<h3 data-section-id=\"1cyzt0a\" data-start=\"2614\" data-end=\"2644\">Screw-Terminal Connections<\/h3>\n<p data-start=\"2646\" data-end=\"2755\">The rear connection arrangement allows convenient wiring in compatible electrical panels and control systems.<\/p>\n<h2 data-section-id=\"knhayh\" data-start=\"2757\" data-end=\"2793\">COMPATIBLE MACHINES &amp; APPLICATIONS<\/h2>\n<p data-start=\"2795\" data-end=\"2894\">The AD16-22SM can be used as an audio-visual signal device in a wide range of compatible equipment.<\/p>\n<h2 data-section-id=\"rwls1p\" data-start=\"2896\" data-end=\"2917\">STEAM IRON BOILERS<\/h2>\n<p data-start=\"2919\" data-end=\"2943\">Suitable for compatible:<\/p>\n<ul data-start=\"2945\" data-end=\"3111\">\n<li data-section-id=\"9eal6f\" data-start=\"2945\" data-end=\"2976\">Industrial steam iron boilers<\/li>\n<li data-section-id=\"qtf5y\" data-start=\"2977\" data-end=\"2995\">Steam generators<\/li>\n<li data-section-id=\"1d0fxgf\" data-start=\"2996\" data-end=\"3023\">Garment pressing machines<\/li>\n<li data-section-id=\"1ys4t4l\" data-start=\"3024\" data-end=\"3047\">Boiler control panels<\/li>\n<li data-section-id=\"1e7alre\" data-start=\"3048\" data-end=\"3084\">Commercial steam ironing equipment<\/li>\n<li data-section-id=\"8ho75s\" data-start=\"3085\" data-end=\"3111\">Laundry pressing systems<\/li>\n<\/ul>\n<h2 data-section-id=\"tmglkl\" data-start=\"3241\" data-end=\"3270\">INDUSTRIAL SEWING MACHINES<\/h2>\n<p data-start=\"3272\" data-end=\"3296\">Suitable for compatible:<\/p>\n<ul data-start=\"3298\" data-end=\"3458\">\n<li data-section-id=\"1qty9vz\" data-start=\"3298\" data-end=\"3339\">Industrial sewing machine control boxes<\/li>\n<li data-section-id=\"1ypv4fq\" data-start=\"3340\" data-end=\"3374\">Sewing machine automation panels<\/li>\n<li data-section-id=\"1l84x6d\" data-start=\"3375\" data-end=\"3401\">Machine fault indicators<\/li>\n<li data-section-id=\"6ho4ng\" data-start=\"3402\" data-end=\"3424\">Motor-control panels<\/li>\n<li data-section-id=\"1eh3pas\" data-start=\"3425\" data-end=\"3458\">Production-line warning systems<\/li>\n<\/ul>\n<h2 data-section-id=\"4ms33o\" data-start=\"3460\" data-end=\"3496\">AUTOMATIC WATER LEVEL CONTROLLERS<\/h2>\n<ul data-start=\"3560\" data-end=\"3702\">\n<li data-section-id=\"4cs2vo\" data-start=\"3560\" data-end=\"3595\">Automatic water-level controllers<\/li>\n<li data-section-id=\"iao5e9\" data-start=\"3596\" data-end=\"3623\">Overhead tank controllers<\/li>\n<li data-section-id=\"12f3aqs\" data-start=\"3624\" data-end=\"3647\">Sump pump controllers<\/li>\n<li data-section-id=\"iki4ga\" data-start=\"3648\" data-end=\"3675\">Water-pump control panels<\/li>\n<li data-section-id=\"gg0w9i\" data-start=\"3676\" data-end=\"3702\">Motor protection systems<\/li>\n<\/ul>\n<p data-start=\"3704\" data-end=\"3877\">For example, it can provide a visual and audible warning when a water-level controller detects a low-water condition, provided the controller&#8217;s output circuit is compatible.<\/p>\n<h2 data-section-id=\"1v39j1c\" data-start=\"3879\" data-end=\"3907\">INDUSTRIAL CONTROL PANELS<\/h2>\n<p data-start=\"3909\" data-end=\"3933\">Suitable for compatible:<\/p>\n<ul data-start=\"3935\" data-end=\"4128\">\n<li data-section-id=\"gkbkck\" data-start=\"3935\" data-end=\"3962\">Electrical control panels<\/li>\n<li data-section-id=\"xgqcci\" data-start=\"3963\" data-end=\"3989\">Machine-control cabinets<\/li>\n<li data-section-id=\"4ebsvm\" data-start=\"3990\" data-end=\"4009\">Automation panels<\/li>\n<li data-section-id=\"9oaavv\" data-start=\"4010\" data-end=\"4031\">Distribution boards<\/li>\n<li data-section-id=\"suisdu\" data-start=\"4032\" data-end=\"4053\">Pump control panels<\/li>\n<li data-section-id=\"b3aulu\" data-start=\"4054\" data-end=\"4077\">Motor control systems<\/li>\n<li data-section-id=\"d4k3ep\" data-start=\"4078\" data-end=\"4100\">Industrial machinery<\/li>\n<li data-section-id=\"1xm7e3n\" data-start=\"4101\" data-end=\"4128\">Process-control equipment<\/li>\n<\/ul>\n<h2 data-section-id=\"1tvjpt1\" data-start=\"4130\" data-end=\"4154\">MOUNTING COMPATIBILITY<\/h2>\n<h3 data-section-id=\"hfdecc\" data-start=\"4156\" data-end=\"4177\">22mm Panel Cutout<\/h3>\n<p data-start=\"4179\" data-end=\"4242\">The indicator is designed for standard <strong data-start=\"4218\" data-end=\"4241\">22mm panel mounting<\/strong>.<\/p>\n<p data-start=\"4244\" data-end=\"4356\">It is suitable for control panels where the existing mounting hole matches the AD16-22SM\/AD16 series dimensions.<\/p>\n<h3 data-section-id=\"1pzr8fa\" data-start=\"4358\" data-end=\"4377\">Panel Thickness<\/h3>\n<p data-start=\"4379\" data-end=\"4470\">Always verify the available panel thickness and threaded-barrel length before installation.<\/p>\n<h2 data-section-id=\"1se4iko\" data-start=\"4472\" data-end=\"4501\">COMMON WARNING APPLICATIONS<\/h2>\n<h3 data-section-id=\"35f9cp\" data-start=\"4555\" data-end=\"4574\">Low-Water Alarm<\/h3>\n<p data-start=\"4576\" data-end=\"4694\">Provides an audible and flashing visual warning when a connected water-level controller detects a low-water condition.<\/p>\n<h3 data-section-id=\"1du5abu\" data-start=\"4696\" data-end=\"4712\">Boiler Alarm<\/h3>\n<p data-start=\"4714\" data-end=\"4792\">Can indicate a boiler-related warning condition in compatible steam equipment.<\/p>\n<h3 data-section-id=\"1g4hac4\" data-start=\"4794\" data-end=\"4810\">Pump Warning<\/h3>\n<p data-start=\"4812\" data-end=\"4900\">Can alert the operator when a pump-control system detects a fault or abnormal condition.<\/p>\n<h3 data-section-id=\"f2vi7d\" data-start=\"4902\" data-end=\"4919\">Machine Fault<\/h3>\n<p data-start=\"4921\" data-end=\"5013\">Can provide an audio-visual indication when connected to a compatible machine fault circuit.<\/p>\n<h3 data-section-id=\"1j2kxqu\" data-start=\"5015\" data-end=\"5044\">Power \/ Status Indication<\/h3>\n<p data-start=\"5046\" data-end=\"5123\">Can be used as a visual status indicator for a compatible electrical circuit.<\/p>\n<h3 data-section-id=\"1yacmed\" data-start=\"5125\" data-end=\"5146\">Emergency Warning<\/h3>\n<p data-start=\"5148\" data-end=\"5241\">Can be integrated into suitable control systems requiring a flashing light and audible alarm.<\/p>\n<h2 data-section-id=\"eac1o9\" data-start=\"5243\" data-end=\"5257\">HOW IT WORKS<\/h2>\n<p data-start=\"5259\" data-end=\"5334\">The indicator operates as part of the machine&#8217;s electrical control circuit.<\/p>\n<p data-start=\"5336\" data-end=\"5491\">When the connected circuit provides the appropriate <strong data-start=\"5388\" data-end=\"5406\">220V AC supply<\/strong>, the device activates its warning functions according to its specific configuration.<\/p>\n<p data-start=\"5493\" data-end=\"5523\">The operator can then receive:<\/p>\n<p data-start=\"5525\" data-end=\"5595\"><strong data-start=\"5525\" data-end=\"5595\">Electrical Signal \u2192 LED Flashing + Buzzer Alert \u2192 Operator Warning<\/strong><\/p>\n<p data-start=\"5597\" data-end=\"5705\">The actual triggering condition depends entirely on the control circuit in which the indicator is installed.<\/p>\n<h2 data-section-id=\"191tkzn\" data-start=\"5707\" data-end=\"5731\">PRODUCT SPECIFICATIONS<\/h2>\n<div class=\"group TyagGW_tableContainer\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5733\" data-end=\"6131\">\n<thead data-start=\"5733\" data-end=\"5760\">\n<tr data-start=\"5733\" data-end=\"5760\">\n<th class=\"last:pe-10\" data-start=\"5733\" data-end=\"5749\" data-col-size=\"sm\">\u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936<\/th>\n<th class=\"last:pe-10\" data-start=\"5749\" data-end=\"5760\" data-col-size=\"sm\">\u0935\u093f\u0935\u0930\u0923<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"5771\" data-end=\"6131\">\n<tr data-start=\"5771\" data-end=\"5822\">\n<td data-start=\"5771\" data-end=\"5786\" data-col-size=\"sm\">\u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td data-start=\"5786\" data-end=\"5822\" data-col-size=\"sm\">LED Signal Indicator with Buzzer<\/td>\n<\/tr>\n<tr data-start=\"5823\" data-end=\"5844\">\n<td data-start=\"5823\" data-end=\"5831\" data-col-size=\"sm\">\u0928\u092e\u0942\u0928\u093e<\/td>\n<td data-start=\"5831\" data-end=\"5844\" data-col-size=\"sm\">AD16-22SM<\/td>\n<\/tr>\n<tr data-start=\"5845\" data-end=\"5862\">\n<td data-start=\"5845\" data-end=\"5854\" data-col-size=\"sm\">Series<\/td>\n<td data-start=\"5854\" data-end=\"5862\" data-col-size=\"sm\">AD16<\/td>\n<\/tr>\n<tr data-start=\"5863\" data-end=\"5891\">\n<td data-start=\"5863\" data-end=\"5883\" data-col-size=\"sm\">Mounting Diameter<\/td>\n<td data-start=\"5883\" data-end=\"5891\" data-col-size=\"sm\">22mm<\/td>\n<\/tr>\n<tr data-start=\"5892\" data-end=\"5912\">\n<td data-start=\"5892\" data-end=\"5901\" data-col-size=\"sm\">Supply<\/td>\n<td data-start=\"5901\" data-end=\"5912\" data-col-size=\"sm\">220V AC<\/td>\n<\/tr>\n<tr data-start=\"5913\" data-end=\"5946\">\n<td data-start=\"5913\" data-end=\"5930\" data-col-size=\"sm\">Indicator Type<\/td>\n<td data-start=\"5930\" data-end=\"5946\" data-col-size=\"sm\">Flashing LED<\/td>\n<\/tr>\n<tr data-start=\"5947\" data-end=\"5985\">\n<td data-start=\"5947\" data-end=\"5960\" data-col-size=\"sm\">Alarm Type<\/td>\n<td data-start=\"5960\" data-end=\"5985\" data-col-size=\"sm\">Built-in Piezo Buzzer<\/td>\n<\/tr>\n<tr data-start=\"5986\" data-end=\"6021\">\n<td data-start=\"5986\" data-end=\"5997\" data-col-size=\"sm\">\u0938\u092e\u093e\u0930\u094b\u0939<\/td>\n<td data-start=\"5997\" data-end=\"6021\" data-col-size=\"sm\">Audio-Visual Warning<\/td>\n<\/tr>\n<tr data-start=\"6022\" data-end=\"6048\">\n<td data-start=\"6022\" data-end=\"6033\" data-col-size=\"sm\">Mounting<\/td>\n<td data-start=\"6033\" data-end=\"6048\" data-col-size=\"sm\">Panel Mount<\/td>\n<\/tr>\n<tr data-start=\"6049\" data-end=\"6081\">\n<td data-start=\"6049\" data-end=\"6062\" data-col-size=\"sm\">Connection<\/td>\n<td data-start=\"6062\" data-end=\"6081\" data-col-size=\"sm\">Screw Terminal*<\/td>\n<\/tr>\n<tr data-start=\"6082\" data-end=\"6109\">\n<td data-start=\"6082\" data-end=\"6098\" data-col-size=\"sm\">\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e<\/td>\n<td data-start=\"6098\" data-end=\"6109\" data-col-size=\"sm\">1 \u091f\u0941\u0915\u0921\u093c\u093e<\/td>\n<\/tr>\n<tr data-start=\"6110\" data-end=\"6131\">\n<td data-start=\"6110\" data-end=\"6124\" data-col-size=\"sm\">\u0915\u092a\u0921\u093c\u0947 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td data-start=\"6124\" data-end=\"6131\" data-col-size=\"sm\">N\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"6133\" data-end=\"6221\"><strong data-start=\"6133\" data-end=\"6221\">*Verify the actual terminal configuration of the supplied unit before installation.<\/strong><\/p>\n<h2 data-section-id=\"1mutcm6\" data-start=\"6223\" data-end=\"6235\">ADVANTAGES<\/h2>\n<p data-start=\"6237\" data-end=\"6319\">The AD16-22SM provides several useful advantages for machine-control applications:<\/p>\n<ul data-start=\"6321\" data-end=\"6697\">\n<li data-section-id=\"1rf7dqy\" data-start=\"6321\" data-end=\"6356\">Two warning functions in one unit<\/li>\n<li data-section-id=\"qn0nky\" data-start=\"6357\" data-end=\"6384\">Saves control-panel space<\/li>\n<li data-section-id=\"diw1p4\" data-start=\"6385\" data-end=\"6413\">Easy visual identification<\/li>\n<li data-section-id=\"of6ygt\" data-start=\"6414\" data-end=\"6454\">Audible warning for operator attention<\/li>\n<li data-section-id=\"xq6qlk\" data-start=\"6455\" data-end=\"6485\">Standard 22mm panel mounting<\/li>\n<li data-section-id=\"jr6ylj\" data-start=\"6486\" data-end=\"6526\">Suitable for industrial control panels<\/li>\n<li data-section-id=\"1v71pes\" data-start=\"6527\" data-end=\"6565\">Useful for water-level alarm systems<\/li>\n<li data-section-id=\"26a7sr\" data-start=\"6566\" data-end=\"6605\">Useful for steam boiler alarm systems<\/li>\n<li data-section-id=\"laithm\" data-start=\"6606\" data-end=\"6646\">Suitable for machine-status indication<\/li>\n<li data-section-id=\"1g7xo01\" data-start=\"6647\" data-end=\"6697\">Easy replacement for compatible panel indicators<\/li>\n<\/ul>\n<h2 data-section-id=\"so7ku2\" data-start=\"6699\" data-end=\"6713\">INSTALLATION<\/h2>\n<p data-start=\"6843\" data-end=\"6864\">General installation:<\/p>\n<ol data-start=\"6866\" data-end=\"7397\">\n<li data-section-id=\"15f1o46\" data-start=\"6866\" data-end=\"6911\">Disconnect the equipment from mains power.<\/li>\n<li data-section-id=\"5k78vk\" data-start=\"6912\" data-end=\"6961\">Confirm that no electrical voltage is present.<\/li>\n<li data-section-id=\"dj5yqo\" data-start=\"6962\" data-end=\"6997\">Check the existing panel cutout.<\/li>\n<li data-section-id=\"16js9qn\" data-start=\"6998\" data-end=\"7039\">Verify the indicator&#8217;s voltage rating.<\/li>\n<li data-section-id=\"1xzem9r\" data-start=\"7040\" data-end=\"7095\">Insert the indicator through the 22mm panel opening.<\/li>\n<li data-section-id=\"hju31p\" data-start=\"7096\" data-end=\"7134\">Secure the rear locking collar\/nut.<\/li>\n<li data-section-id=\"p25fah\" data-start=\"7135\" data-end=\"7203\">Connect the wiring according to the machine&#8217;s electrical diagram.<\/li>\n<li data-section-id=\"1o9tnqh\" data-start=\"7204\" data-end=\"7247\">Check terminal tightness and insulation.<\/li>\n<li data-section-id=\"149u7u7\" data-start=\"7248\" data-end=\"7303\">Ensure the wiring cannot contact adjacent terminals.<\/li>\n<li data-section-id=\"1b4e6cm\" data-start=\"7304\" data-end=\"7358\">Restore power only after completing safety checks.<\/li>\n<li data-section-id=\"1jxxcyl\" data-start=\"7359\" data-end=\"7397\">Test the LED and buzzer functions.<\/li>\n<\/ol>\n<p data-start=\"7399\" data-end=\"7580\"><strong data-start=\"7399\" data-end=\"7580\">Do not connect the indicator directly to a power source unless the supplied unit is specifically rated for that voltage and connection. Always follow the machine wiring diagram.<\/strong><\/p>\n<h2 data-section-id=\"ihnzfa\" data-start=\"7582\" data-end=\"7602\">SAFETY INFORMATION<\/h2>\n<p data-start=\"7604\" data-end=\"7663\">This product may be connected to <strong data-start=\"7637\" data-end=\"7662\">220V AC mains voltage<\/strong>.<\/p>\n<p data-start=\"7665\" data-end=\"7687\">For safe installation:<\/p>\n<ul data-start=\"7689\" data-end=\"8137\">\n<li data-section-id=\"skr4q1\" data-start=\"7689\" data-end=\"7728\">Switch OFF mains power before wiring.<\/li>\n<li data-section-id=\"crikho\" data-start=\"7729\" data-end=\"7764\">Verify voltage before connection.<\/li>\n<li data-section-id=\"f27k1a\" data-start=\"7765\" data-end=\"7807\">Use correctly rated wires and terminals.<\/li>\n<li data-section-id=\"14oy35y\" data-start=\"7808\" data-end=\"7835\">Ensure proper insulation.<\/li>\n<li data-section-id=\"1sa57np\" data-start=\"7836\" data-end=\"7880\">Maintain proper earthing of the equipment.<\/li>\n<li data-section-id=\"tz948d\" data-start=\"7881\" data-end=\"7929\">Do not exceed the product&#8217;s electrical rating.<\/li>\n<li data-section-id=\"1rxofmg\" data-start=\"7930\" data-end=\"7967\">Do not install with damaged wiring.<\/li>\n<li data-section-id=\"r8u7v9\" data-start=\"7968\" data-end=\"8075\">Keep the device away from direct water exposure unless the complete enclosure is appropriately protected.<\/li>\n<\/ul>\n<h2 data-section-id=\"hf4mak\" data-start=\"8139\" data-end=\"8167\">FREQUENTLY ASKED QUESTIONS<\/h2>\n<h3 data-section-id=\"1eeq735\" data-start=\"8169\" data-end=\"8195\">What is the AD16-22SM?<\/h3>\n<p data-start=\"8197\" data-end=\"8330\">The <strong data-start=\"8201\" data-end=\"8214\">AD16-22SM<\/strong> is a 22mm panel-mounted LED signal indicator with an integrated piezo buzzer for audio-visual warning applications.<\/p>\n<h3 data-section-id=\"1ummjce\" data-start=\"8332\" data-end=\"8381\">Does this indicator have both LED and buzzer?<\/h3>\n<p data-start=\"8383\" data-end=\"8467\">Yes. It combines a <strong data-start=\"8402\" data-end=\"8454\">flashing LED indicator and built-in piezo buzzer<\/strong> in one unit.<\/p>\n<h3 data-section-id=\"1n1aliq\" data-start=\"8469\" data-end=\"8498\">What voltage does it use?<\/h3>\n<p data-start=\"8500\" data-end=\"8552\">This product is specified for <strong data-start=\"8530\" data-end=\"8541\">220V AC<\/strong> operation.<\/p>\n<h3 data-section-id=\"dt0rdp\" data-start=\"8554\" data-end=\"8591\">What size panel hole is required?<\/h3>\n<p data-start=\"8593\" data-end=\"8656\">The indicator is designed for a standard <strong data-start=\"8634\" data-end=\"8655\">22mm panel cutout<\/strong>.<\/p>\n<h3 data-section-id=\"ylrn0p\" data-start=\"8658\" data-end=\"8698\">Can I use it on a steam iron boiler?<\/h3>\n<p data-start=\"8700\" data-end=\"8848\">Yes, it can be used on a compatible industrial steam iron boiler or steam-generator control panel when the voltage and control circuit are suitable.<\/p>\n<h3 data-section-id=\"1vj50st\" data-start=\"8850\" data-end=\"8891\">Can it be used for a low-water alarm?<\/h3>\n<p data-start=\"8893\" data-end=\"9018\">Yes. It can provide an audio-visual low-water warning when connected to a compatible water-level controller or alarm circuit.<\/p>\n<h3 data-section-id=\"17jbayo\" data-start=\"9020\" data-end=\"9078\">Can I use it with an automatic water-level controller?<\/h3>\n<p data-start=\"9080\" data-end=\"9193\">Yes, provided the controller&#8217;s alarm\/output circuit is compatible with the indicator&#8217;s electrical specifications.<\/p>\n<h3 data-section-id=\"qdlyxy\" data-start=\"9361\" data-end=\"9400\">Does the buzzer sound continuously?<\/h3>\n<p data-start=\"9402\" data-end=\"9570\">The buzzer operation depends on the specific AD16-22SM variant and the electrical circuit controlling it. Verify the supplied unit&#8217;s specifications before installation.<\/p>\n<h3 data-section-id=\"12ig92u\" data-start=\"9572\" data-end=\"9603\">Is the LED always flashing?<\/h3>\n<p data-start=\"9605\" data-end=\"9742\">The LED is designed as a flashing signal indicator, but its exact operating behaviour depends on the specific product variant and wiring.<\/p>\n<h3 data-section-id=\"ui1f3m\" data-start=\"9744\" data-end=\"9792\">Can I use it in a domestic electrical panel?<\/h3>\n<p data-start=\"9794\" data-end=\"9937\">It can be used in compatible domestic or commercial panels if the <strong data-start=\"9860\" data-end=\"9920\">voltage, mounting dimensions, wiring and electrical load<\/strong> are appropriate.<\/p>\n<h3 data-section-id=\"1qf32df\" data-start=\"10027\" data-end=\"10067\">What can this indicator be used for?<\/h3>\n<p data-start=\"10069\" data-end=\"10097\">\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902:<\/p>\n<ul data-start=\"10099\" data-end=\"10247\">\n<li data-section-id=\"mktg6v\" data-start=\"10099\" data-end=\"10114\">Boiler alarms<\/li>\n<li data-section-id=\"1ppq3tw\" data-start=\"10115\" data-end=\"10133\">Low-water alarms<\/li>\n<li data-section-id=\"15kme21\" data-start=\"10134\" data-end=\"10149\">Pump warnings<\/li>\n<li data-section-id=\"sd01g\" data-start=\"10150\" data-end=\"10166\">Machine faults<\/li>\n<li data-section-id=\"169owig\" data-start=\"10167\" data-end=\"10192\">Power\/status indication<\/li>\n<li data-section-id=\"1hl18rc\" data-start=\"10193\" data-end=\"10222\">Industrial equipment alerts<\/li>\n<li data-section-id=\"1tcbo99\" data-start=\"10223\" data-end=\"10247\">Control-panel warnings<\/li>\n<\/ul>\n<h3 data-section-id=\"1xkf5mr\" data-start=\"10249\" data-end=\"10291\">How do I know if it will fit my panel?<\/h3>\n<p data-start=\"10293\" data-end=\"10401\">Check the panel cutout diameter, panel thickness, rear clearance and terminal arrangement before purchasing.<\/p>\n<h2 data-section-id=\"1fsfang\" data-start=\"10403\" data-end=\"10428\">COMPATIBILITY CHECKLIST<\/h2>\n<p data-start=\"10430\" data-end=\"10454\">Before ordering, verify:<\/p>\n<ul data-start=\"10456\" data-end=\"10677\">\n<li data-section-id=\"u1e27m\" data-start=\"10456\" data-end=\"10479\"><strong data-start=\"10458\" data-end=\"10479\">22mm panel cutout<\/strong><\/li>\n<li data-section-id=\"15f35ez\" data-start=\"10480\" data-end=\"10500\"><strong data-start=\"10482\" data-end=\"10500\">220V AC rating<\/strong><\/li>\n<li data-section-id=\"vp8qgv\" data-start=\"10501\" data-end=\"10538\">AD16\/AD16-22SM series configuration<\/li>\n<li data-section-id=\"opgf3q\" data-start=\"10539\" data-end=\"10566\">Rear terminal arrangement<\/li>\n<li data-section-id=\"1q9cdig\" data-start=\"10567\" data-end=\"10584\">Panel thickness<\/li>\n<li data-section-id=\"snajrl\" data-start=\"10585\" data-end=\"10611\">Available mounting depth<\/li>\n<li data-section-id=\"faxu8x\" data-start=\"10612\" data-end=\"10642\">LED\/buzzer function required<\/li>\n<li data-section-id=\"1o9l7r4\" data-start=\"10643\" data-end=\"10677\">Existing control-circuit voltage<\/li>\n<\/ul>\n<p data-start=\"10679\" data-end=\"10771\">","protected":false},"excerpt":{"rendered":"<p>AD16-22SM 22mm flashing LED signal indicator with built-in piezo buzzer for 220V AC applications. Suitable for steam boilers, water-level controllers, sewing machine panels and industrial control equipment.<\/p>","protected":false},"featured_media":20717,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"AD16-22SM LED indicator with buzzer","_yoast_wpseo_title":"AD16-22SM 22mm Flash LED Indicator with Buzzer 220V AC %%page%% %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"AD16-22SM 22mm flashing LED indicator with built-in piezo buzzer for 220V AC industrial control panels, steam boilers, water-level controllers and machinery.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":""},"product_brand":[],"product_cat":[653,950],"product_tag":[2990,2993,2989,2987,2986,2997,2991,2999,2994,2988,3000,2992,2998,2995,2996],"class_list":["post-20738","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","product_cat-vacuum-table-and-boiler-parts","product_tag-220v-ac-indicator","product_tag-22mm-buzzer-indicator","product_tag-22mm-led-signal-light","product_tag-ad16-22mm-indicator","product_tag-ad16-22sm","product_tag-automatic-water-level-controller-indicator","product_tag-flashing-led-indicator","product_tag-industrial-control-panel-buzzer","product_tag-industrial-warning-light","product_tag-led-indicator-with-buzzer","product_tag-machine-warning-indicator","product_tag-panel-mount-buzzer","product_tag-sewing-machine-control-panel-indicator","product_tag-steam-boiler-alarm-light","product_tag-water-level-alarm-indicator","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"pure_taxonomies":{"product_cat":[{"term_id":653,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":653,"taxonomy":"product_cat","description":"","parent":0,"count":27,"filter":"raw","image":""},{"term_id":950,"name":"Vacuum Table and Boiler Parts","slug":"vacuum-table-and-boiler-parts","term_group":0,"term_taxonomy_id":950,"taxonomy":"product_cat","description":"<h2>Steam Iron Boiler Spares &amp; Vacuum Table Parts<\/h2>\r\n<h3>Keep Your Steam Boiler and Vacuum Table Running Without Downtime<\/h3>\r\nStitchPartner stocks steam iron boiler spares and vacuum table parts \u2014 contactors, solenoid valves, heating elements, water level controllers and safety valves \u2014 priced \u20b925 to \u20b91,899, compatible with Akari, Messer, Silti, Silver Star, Wejie and 2128-model boiler steam irons. A boiler usually fails from a worn contactor, leaking solenoid valve, burnt heating element, or a misreading water-level board.\r\n<h3>What's In This Category<\/h3>\r\n<ul>\r\n \t<li><strong>Heating elements<\/strong> \u2014 including 900W and 4KW boiler heating elements for steam press and boiler steam irons<\/li>\r\n \t<li><strong>Solenoid valves and ball valves<\/strong> (1\/4\u2033 and 1\/2\u2033) \u2014 control steam and water flow to the boiler<\/li>\r\n \t<li><strong>Contactors and relays<\/strong> (18A, 25A) \u2014 switch boiler heating circuits safely under daily industrial use<\/li>\r\n \t<li><strong>Switches and indicator lights<\/strong> \u2014 rocker switches, steam switches, and 22mm LED indicator lights with buzzer for boiler status<\/li>\r\n \t<li><strong>Water level controllers<\/strong> \u2014 automatic water level controller boards for industrial steam iron boilers<\/li>\r\n \t<li><strong>Seals, hose clamps, and connecting plates<\/strong> \u2014 rubber bush seal rings, pipe hose clamps, and mounting plates for common boiler models<\/li>\r\n<\/ul>\r\n<h3>Steam Iron Boiler Spares Price List<\/h3>\r\nReal prices from our current catalog (September 2026), as a steam iron spare parts price list:\r\n<table>\r\n<tbody>\r\n<tr>\r\n<th>Part<\/th>\r\n<th>Price<\/th>\r\n<\/tr>\r\n<tr>\r\n<td>Rubber seal washer \/ bush seal ring<\/td>\r\n<td>\u20b925 \u2013 \u20b940<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>LED indicator light with buzzer<\/td>\r\n<td>\u20b9119<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Sensor rod \/ steam boiler buzzer (small)<\/td>\r\n<td>\u20b9200<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Rocker switch (20A, 6-pin)<\/td>\r\n<td>\u20b9349<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Steam boiler buzzer<\/td>\r\n<td>\u20b9500<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Water pump for boiler<\/td>\r\n<td>\u20b9549<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Safety cap<\/td>\r\n<td>\u20b9449<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1\/4\u2033 safety relief valve<\/td>\r\n<td>\u20b9599<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>NRV 1\/2\u2033 non-return valve<\/td>\r\n<td>\u20b9699<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Adjustable pressure switch (XP110)<\/td>\r\n<td>\u20b9799<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Boiler heater element (4KW)<\/td>\r\n<td>\u20b91,200<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>18A\/25A contactor<\/td>\r\n<td>\u20b91,499<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Automatic water level controller board<\/td>\r\n<td>\u20b91,899<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nMost switches, seals and sensors cost under \u20b9350; contactors, pressure valves and water-level controller boards \u2014 the parts carrying the highest electrical or pressure load \u2014 run \u20b9699 to \u20b91,899.\r\n<h3>Compatible With Popular Boiler &amp; Steam Iron Brands<\/h3>\r\nMany of our boiler parts \u2014 including the 2128-series heating element \u2014 are stocked as cross-reference replacements for Akari, Messer, Silti, Silver Star, Wejie, and Witjie steam iron boilers, as well as the STB-200 boiler steam iron. Always match your existing part's model number and terminal type before ordering, since boiler fittings vary even within the same brand.\r\n<h3>Vacuum Table for Ironing: Blower Fan and Parts<\/h3>\r\nA vacuum table for ironing pulls steam and air down through the board so garments press flat and dry faster, and the blower fan is the core part of that suction system. We stock the <a href=\"https:\/\/stitchpartner.com\/product\/industrial-vacuum-table-blower-fan-clockwise\/\">Vacuum Ironing Table Blower Fan \u2013 Clockwise<\/a> for replacing a worn or failed fan. Blower fans are directional, so match the rotation of your existing fan before ordering.\r\n<h3>Built for Daily Commercial Use<\/h3>\r\nBoiler steam irons run for hours at a stretch in tailoring shops, dry-cleaning outlets, and garment factories, so the parts that keep them running need to handle that duty cycle \u2014 not just light home use. We stock components rated for continuous industrial operation, not appliance-grade substitutes.\r\n<h3>Frequently Asked Questions<\/h3>\r\n<h4>Do you have a contactor for a boiler steam iron?<\/h4>\r\nYes \u2014 we stock both 18A and 25A contactors for boiler steam irons. Check your existing contactor's amperage rating before ordering, since using an undersized contactor for a high-wattage boiler heater shortens its life.\r\n<h4>What causes a steam boiler to stop heating?<\/h4>\r\nThe most common causes are a failed heating element, a tripped or worn contactor, or a water level controller board that's misreading the tank level and cutting power as a safety measure. Testing the heating element for continuity with a multimeter is usually the fastest way to narrow it down.\r\n<h4>Do you supply boiler hose pipes and clamps?<\/h4>\r\nYes, we stock boiler hose pipes and hose clamps sized for standard steam iron boiler connections. Bring your existing hose's diameter or send us a photo if you're unsure of the size.\r\n<h4>How do I know which water level controller board fits my boiler?<\/h4>\r\nWater level controller boards vary by boiler brand and probe configuration, so match your existing board's model or number of probe pins before ordering \u2014 a mismatched board can misread the tank level entirely.\r\n<h4>How much do steam iron boiler spares cost in India?<\/h4>\r\nSmall parts like seals, switches and indicator lights cost \u20b925\u2013\u20b9350. Mid-range parts like water pumps, safety valves and pressure switches run \u20b9450\u2013\u20b9800. Contactors and automatic water-level controller boards, which carry the highest electrical and safety load, cost \u20b91,200\u2013\u20b91,899.\r\n<h4>Which blower fan do I need for my vacuum table for ironing?<\/h4>\r\nCheck the rotation of your existing blower fan first, because a fan turning the wrong way moves far less air through the table. We stock a clockwise vacuum ironing table blower fan; if your table needs the other direction or you are unsure, send a photo of the old fan and its motor and we will confirm before you order.\r\n<h4>Do you have solenoid valves for boiler steam irons?<\/h4>\r\nYes \u2014 we stock a <a href=\"https:\/\/stitchpartner.com\/product\/heavy-selonoid-valve\/\">heavy solenoid valve<\/a>, a <a href=\"https:\/\/stitchpartner.com\/product\/selonoid-valve-set-for-boiler-steam-iron\/\">solenoid valve set<\/a>, a separate regular solenoid valve coil and a wire valve safety cap. Replace only the coil if the coil is dead but the valve body is sound; a leaking valve body needs the full valve or set.\r\n<h4>Will these spares fit my Akari, Messer, Silti or Silver Star boiler?<\/h4>\r\nMost of our boiler spares are stocked as replacements for Akari, Messer, Silti, Silver Star and Wejie boilers, but fittings vary, so match the part's model number or send a photo of the old part before ordering. Need only the iron for your boiler? The <a href=\"https:\/\/stitchpartner.com\/product\/2128-heavy-duty-boiler-iron\/\">2128 Heavy Duty Boiler Iron<\/a> is a 900W iron that fits all steam boilers, new and old.\r\n\r\nExplore related categories: <a href=\"https:\/\/stitchpartner.com\/product-category\/industrial-steam-iron-and-parts\/professional-bottle-steam-iron\/\">Bottle Steam Iron<\/a> \u00b7 <a href=\"https:\/\/stitchpartner.com\/product-category\/industrial-steam-iron-and-parts\/\">Steam Iron &amp; Parts<\/a>","parent":0,"count":47,"filter":"raw","image":""}],"product_tag":[{"term_id":2990,"name":"220V AC indicator","slug":"220v-ac-indicator","term_group":0,"term_taxonomy_id":2990,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2993,"name":"22mm buzzer indicator","slug":"22mm-buzzer-indicator","term_group":0,"term_taxonomy_id":2993,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2989,"name":"22mm LED signal light","slug":"22mm-led-signal-light","term_group":0,"term_taxonomy_id":2989,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2987,"name":"AD16 22mm indicator","slug":"ad16-22mm-indicator","term_group":0,"term_taxonomy_id":2987,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2986,"name":"AD16-22SM","slug":"ad16-22sm","term_group":0,"term_taxonomy_id":2986,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2997,"name":"automatic water level controller indicator","slug":"automatic-water-level-controller-indicator","term_group":0,"term_taxonomy_id":2997,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2991,"name":"flashing LED indicator","slug":"flashing-led-indicator","term_group":0,"term_taxonomy_id":2991,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2999,"name":"industrial control panel buzzer","slug":"industrial-control-panel-buzzer","term_group":0,"term_taxonomy_id":2999,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2994,"name":"industrial warning light","slug":"industrial-warning-light","term_group":0,"term_taxonomy_id":2994,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2988,"name":"LED indicator with buzzer","slug":"led-indicator-with-buzzer","term_group":0,"term_taxonomy_id":2988,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3000,"name":"machine warning indicator","slug":"machine-warning-indicator","term_group":0,"term_taxonomy_id":3000,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2992,"name":"panel mount buzzer","slug":"panel-mount-buzzer","term_group":0,"term_taxonomy_id":2992,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2998,"name":"sewing machine control panel indicator","slug":"sewing-machine-control-panel-indicator","term_group":0,"term_taxonomy_id":2998,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2995,"name":"steam boiler alarm light","slug":"steam-boiler-alarm-light","term_group":0,"term_taxonomy_id":2995,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2996,"name":"water level alarm indicator","slug":"water-level-alarm-indicator","term_group":0,"term_taxonomy_id":2996,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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