{"product_id":"icm-controls-291-icm291-replacement-carrier-lh33wp003a","title":"Icm Controls 291 ICM291 Replacement Carrier LH33WP003A","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ICM CONTROLS 291 is a microprocessor-based direct spark ignition (DSI) control board, serving as a low-cost, functional replacement for Carrier LH33WP003A circuit boards. It manages the inducer fan motor, blower fan, limit switches, combustion, spark ignitor, and gas valve. Operating on 24 VAC control voltage and 208\/230 VAC line voltage, it monitors timing, trial for ignition, flame sensing, and lockout, featuring a 100% lockout safety. Integrated LED diagnostics assist in troubleshooting fault codes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-cost form, fit and functional replacement board for Carrier: LH33WP003A circuit boards\u003c\/li\u003e\n  \u003cli\u003eControls inducer fan motor, blower fan and monitors limit switches\u003c\/li\u003e\n  \u003cli\u003eIncorporated LED diagnostics to assist in troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eMicroprocessor-based DSI control board with 100% lockout safety and LED diagnostics for Carrier LH33WP003A replacement.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ICM CONTROLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 291\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces\u003c\/strong\u003e: Carrier: LH33WP003, LH33WP003A; ICP: 1171166\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Voltage\u003c\/strong\u003e: 24 VAC (18-30 VAC), 60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLine Voltage\u003c\/strong\u003e: 208\/230 VAC, 60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Purge Timing\u003c\/strong\u003e: 45 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrial for Ignition Timing\u003c\/strong\u003e: 5+2 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetry Period Timing\u003c\/strong\u003e: Every 20 seconds for 15 minutes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLockout Timing\u003c\/strong\u003e: Manual reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePost-Purge Timing\u003c\/strong\u003e: 45 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRed LED Indicator\u003c\/strong\u003e: Steady ON – Normal operation; Flashing – fault codes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Inputs\u003c\/strong\u003e: RT and C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostat Interface Inputs\u003c\/strong\u003e: R, W, and G\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Switches Inputs\u003c\/strong\u003e: RS, LS, and CS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCombustion Motor Input\u003c\/strong\u003e: Hall Effect Sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlame Sensing Input\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpark Output\u003c\/strong\u003e: Gas Valve (GV)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCombustion Motor Output\u003c\/strong\u003e: CM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlower Motor Output\u003c\/strong\u003e: BM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndoor Fan Motor Output\u003c\/strong\u003e: IFO\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"ICM CONTROLS","offers":[{"title":"Default Title","offer_id":51306188964146,"sku":"291","price":448.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ICM291_Back_Box-1024x940.jpg?v=1781286356","url":"https:\/\/voomisupply.com\/products\/icm-controls-291-icm291-replacement-carrier-lh33wp003a","provider":"Voomi Supply","version":"1.0","type":"link"}