{"product_id":"honeywell-st9120c-2010-fan-control-board-secure-packaging","title":"ST9120C-2010 | Honeywell HVAC Control System Board for Blower \u0026 Inducer Motor Operation","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Honeywell ST9120C-2010 is an HVAC control system board designed to regulate blower and inducer motor operation within furnace systems. It supports a wide range of motor loads at both 120 VAC and 240 VAC, ensuring reliable performance across varied HVAC configurations. The ST9120C-2010 also includes terminals for humidifier and electronic air cleaner connections, providing integrated accessory control.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eST9120C-2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control System Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18–30 VAC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlower Load (120 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 FLA, 30 LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlower Load (240 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 FLA, 15 LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInducer Load (120 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 FLA, 10 LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInducer Load (240 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 FLA, 5 LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEAC\/Humidifier Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8 A max combined at 115 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermostat Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.10 A + ignition system load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Load Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 A (115 VAC), 0.75 A (230 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLocked Rotor Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 A (115 VAC), 5 A (230 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat\/Cool Fan Speed (115 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 A FLA, 30 A LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat\/Cool Fan Speed (230 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 A FLA, 15 A LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdditional Full Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 A and 4 A positions (as specified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdditional Locked Rotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 A and 8 A positions (as specified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFurnace blower, inducer, and accessory control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About ST9120C-2010\u003c\/h4\u003e\n\u003cp\u003eThe ST9120C-2010 is a furnace control board developed by Honeywell to manage blower speeds, inducer operation, and accessory loads in residential HVAC systems. It is built to accommodate high starting and running currents, with clearly defined FLA and LRA ratings for motors operating at 120 VAC and 240 VAC. The board features dedicated terminals for an electronic air cleaner and humidifier, each supporting standardized accessory loads for system integration. Typical applications include gas furnace installations requiring coordinated blower control, inducer activation, and accessory support within a low-voltage HVAC control architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-load blower support: Rated for up to 15 FLA \/ 30 LRA at 120 VAC and 7.5 FLA \/ 15 LRA at 240 VAC.\u003c\/li\u003e\n\u003cli\u003eInducer motor compatibility: Handles 3 FLA \/ 10 LRA at 120 VAC and 1.5 FLA \/ 5 LRA at 240 VAC.\u003c\/li\u003e\n\u003cli\u003eAccessory terminals: Provides 0.8A support at 115 VAC for both humidifier and electronic air cleaner.\u003c\/li\u003e\n\u003cli\u003eLow-voltage operation: Runs on 18–30 VAC for thermostat and ignition interface.\u003c\/li\u003e\n\u003cli\u003eVersatile HVAC integration: Suitable for a wide range of forced-air furnace applications.\u003c\/li\u003e\n\u003cli\u003ePrecision load handling: Multiple FLA\/LRA ratings ensure correct pairing with blower and inducer motors.\u003c\/li\u003e\n\u003cli\u003eElectronic air cleaner support: Built-in control for EAC devices up to combined 0.8A load.\u003c\/li\u003e\n\u003cli\u003eReliable construction: Honeywell design ensures stable long-term HVAC system performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ST9120C-2010 delivers the reliability and precision required for efficient furnace blower, inducer, and accessory control.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":47423713444138,"sku":"ST9120C-2010","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/shopping_5.webp?v=1706204720","url":"https:\/\/iqelectro.com\/products\/honeywell-st9120c-2010-fan-control-board-secure-packaging","provider":"IQElectro","version":"1.0","type":"link"}