{"product_id":"st9120c4008-honeywell-furnace-fan-control-board","title":"ST9120C4008 | Honeywell Furnace Fan Control Board","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Honeywell ST9120C4008 is a furnace fan control board designed to manage blower operation, inducer loading, and accessory connections within HVAC systems. It delivers dependable control functions to ensure efficient heating and air circulation.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 352.688px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eHVAC Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eST9120C4008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eFurnace Fan Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eControls blower, inducer, and accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 39.1875px;\"\u003e\u003cstrong\u003eMaximum Inducer Load (120 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 39.1875px;\"\u003e3 FLA, 10 LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 39.1875px;\"\u003e\u003cstrong\u003eMaximum Inducer Load (240 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 39.1875px;\"\u003e1.5 FLA, 5 LRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eHumidifier Terminal Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003e0.8 A @ 115 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003e24 V circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eResidential and light commercial HVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003ePrinted circuit board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eStandard furnace board size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003eInternal furnace control compartment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.3787%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.2577%; height: 19.5938px;\"\u003e0.98 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eST9120C4008\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-end=\"1086\" data-start=\"426\"\u003eThe ST9120C4008 is part of Honeywell’s integrated furnace control series, providing coordinated management of blower motors, inducer fans, and related accessories. Designed for residential and light commercial HVAC applications, it supports maximum inducer loading of 3 FLA and 10 LRA at 120 VAC, as well as 1.5 FLA and 5 LRA at 240 VAC. It features a dedicated humidifier terminal rated at 0.8 A @ 115 VAC, allowing direct integration of additional air comfort components. Compact, lightweight, and built for durability, the board ensures consistent system performance and is engineered for easy replacement during furnace servicing.\u003c\/p\u003e\n\u003cp data-end=\"1107\" data-start=\"1088\"\u003e\u003cstrong data-end=\"1105\" data-start=\"1088\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1921\" data-start=\"1108\"\u003e\n\u003cli data-end=\"1238\" data-start=\"1108\"\u003e\n\u003cp data-end=\"1238\" data-start=\"1110\"\u003e\u003cstrong data-end=\"1141\" data-start=\"1110\"\u003eIntegrated furnace control:\u003c\/strong\u003e Coordinates blower motor, inducer fan, and accessory operation for efficient HVAC performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1344\" data-start=\"1239\"\u003e\n\u003cp data-end=\"1344\" data-start=\"1241\"\u003e\u003cstrong data-end=\"1280\" data-start=\"1241\"\u003eDual voltage inducer compatibility:\u003c\/strong\u003e Handles 3 FLA\/10 LRA at 120 VAC and 1.5 FLA\/5 LRA at 240 VAC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1439\" data-start=\"1345\"\u003e\n\u003cp data-end=\"1439\" data-start=\"1347\"\u003e\u003cstrong data-end=\"1371\" data-start=\"1347\"\u003eHumidifier terminal:\u003c\/strong\u003e Provides 0.8 A @ 115 VAC output for direct humidifier connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1540\" data-start=\"1440\"\u003e\n\u003cp data-end=\"1540\" data-start=\"1442\"\u003e\u003cstrong data-end=\"1468\" data-start=\"1442\"\u003eReliable 24 V circuit:\u003c\/strong\u003e Designed for stable control voltage delivery to connected components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1625\" data-start=\"1541\"\u003e\n\u003cp data-end=\"1625\" data-start=\"1543\"\u003e\u003cstrong data-end=\"1571\" data-start=\"1543\"\u003eCompact and lightweight:\u003c\/strong\u003e Weighs 0.98 lbs for easy handling and installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1732\" data-start=\"1626\"\u003e\n\u003cp data-end=\"1732\" data-start=\"1628\"\u003e\u003cstrong data-end=\"1669\" data-start=\"1628\"\u003eResidential and light commercial use:\u003c\/strong\u003e Suitable for a wide range of furnace models and HVAC setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1830\" data-start=\"1733\"\u003e\n\u003cp data-end=\"1830\" data-start=\"1735\"\u003e\u003cstrong data-end=\"1758\" data-start=\"1735\"\u003eDurable PCB design:\u003c\/strong\u003e Built to withstand operational heat, vibration, and electrical loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1921\" data-start=\"1831\"\u003e\n\u003cp data-end=\"1921\" data-start=\"1833\"\u003e\u003cstrong data-end=\"1857\" data-start=\"1833\"\u003eEasy serviceability:\u003c\/strong\u003e Standard mounting and wiring for straightforward replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2052\" data-start=\"1923\"\u003eThe ST9120C4008 delivers the reliability and precision required for consistent blower and accessory control in heating systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105252745472,"sku":"ST9120C4008","price":477.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/61h_sQUtUYL._AC_UF1000_1000_QL80.jpg?v=1785543543","url":"https:\/\/alotechparts.com\/products\/st9120c4008-honeywell-furnace-fan-control-board","provider":"Alo Tech Solutions","version":"1.0","type":"link"}