{"product_id":"carrier-hk42fz064-furnace-control-circuit-board-for-compatible-hvac-systems","title":"Carrier HK42FZ064 Furnace Control Circuit Board for Compatible HVAC Systems","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCarrier HK42FZ064 is a furnace control board used to coordinate heating, blower, ignition, and thermostat functions in compatible Carrier HVAC equipment. It serves as an electronic replacement control for specified furnace configurations, providing the control logic needed for normal system sequencing.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 86.5661%; height: 406px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; 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: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eCarrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eHK42FZ064\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eFurnace Control Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eFurnace Control Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eGas Furnace Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eElectronic \/ Microprocessor-Based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eSystem Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eHeating and Furnace Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eElectronic Ignition Sequencing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eBlower Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eFurnace Blower Management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eThermostat Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eCompatible HVAC Thermostat Circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eSafety Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eFurnace Limit and Safety Circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eEquipment-Mounted Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003eSelected Carrier Furnace Models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.3538%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.3974%; height: 19.5938px;\"\u003e1.03 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eInformation About \u003cspan\u003eHK42FZ064\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"\"\u003eThe HK42FZ064 is a Carrier OEM furnace control circuit board designed for integration with compatible residential gas-furnace systems. The board interfaces with thermostat circuits, ignition components, blower motors, inducer assemblies, and furnace safety devices. Its microprocessor-based control system manages operating sequences according to the connected furnace configuration and demand signals. Compatibility is equipment-specific, so the furnace model and existing board markings should be verified before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eControl Function: Manages furnace operating sequences and coordinates connected HVAC components.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIgnition Control: Provides electronic control of the furnace ignition sequence in compatible systems.\u003c\/li\u003e\n\u003cli\u003eBlower Management: Controls blower operation according to heating, cooling, and fan demands.\u003c\/li\u003e\n\u003cli\u003eThermostat Interface: Connects to standard furnace thermostat control circuits.\u003c\/li\u003e\n\u003cli\u003eSafety Integration: Interfaces with furnace safety and limit circuits used during normal operation.\u003c\/li\u003e\n\u003cli\u003eOEM Construction: Designed as a Carrier replacement control-board assembly for specified equipment.\u003c\/li\u003e\n\u003cli\u003eEquipment Application: Intended for compatible Carrier furnace configurations requiring the HK42FZ064 board.\u003c\/li\u003e\n\u003cli\u003eElectronic Control: Uses onboard control electronics to process system inputs and operate connected outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HK42FZ064 delivers the reliability and precision required for furnace sequencing, ignition control, blower management, and residential HVAC operation.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":52442011500842,"sku":"HK42FZ064","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/images_224d29f6-016a-4d04-9af7-456c8abf1951.jpg?v=1788188817","url":"https:\/\/iqelectro.com\/products\/carrier-hk42fz064-furnace-control-circuit-board-for-compatible-hvac-systems","provider":"IQElectro","version":"1.0","type":"link"}