{"product_id":"hk42fz007-united-technologies-universal-furnace-control-circuit-board","title":"HK42FZ007 | United Technologies Universal Furnace Control Circuit Board","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"385\" data-start=\"131\"\u003eThe HK42FZ007 is a discontinued furnace control board designed for 24 VAC single-phase gas furnace applications. It controls ignition, blower timing, and safety lockout features in residential HVAC systems. The board is compatible with a wide range of Carrier, Bryant, and Payne units and provides reliable operation in gas heating systems.\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 width=\"100%\" style=\"height: 619.986px; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 37.1389px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 37.1389px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 37.1389px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.1806px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 26.1806px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 26.1806px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eUnited Technologies\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.3056px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 27.3056px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 27.3056px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003eHVAC\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.6806px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 22.6806px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 22.6806px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eHK42FZ007\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 25.0278px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 25.0278px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 25.0278px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eFurnace \/ Boiler Control Boards\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.5px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.5px;\"\u003eControl Type\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.5px;\"\u003eFurnace Control Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 30.0168%; text-align: left; height: 39.1944px;\"\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 69.6188%; height: 39.1944px;\"\u003e24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.4306px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.4306px;\"\u003eFrequency\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.4306px;\"\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.4306px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.4306px;\"\u003eCurrent Rating\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.4306px;\"\u003e465 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.4306px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.4306px;\"\u003ePower Phase\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.4306px;\"\u003eSingle Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.5px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.5px;\"\u003eCompatible Brands\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.5px;\"\u003eCarrier, Bryant, Payne\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.5px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.5px;\"\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.5px;\"\u003eCentral Furnace, Split Systems, Heat Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1806px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 39.1806px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 39.1806px;\"\u003ePlastic Housing with Mount Brackets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.4306px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.4306px;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.4306px;\"\u003e~14 cm W × 8 in L × 1 in T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.4306px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.4306px;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.4306px;\"\u003eResidential HVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 39.1944px;\"\u003eDiscontinued Status\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 39.1944px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.4306px;\"\u003e\n\u003cth style=\"width: 30.0168%; text-align: left; height: 40.4306px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 69.6188%; height: 40.4306px;\"\u003e1.00 lb (0.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eHK42FZ007\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe HK42FZ007 furnace control board, manufactured by United Technologies for brands such as Carrier, Bryant, and Payne, is used in central gas furnace systems. It operates at 24 VAC with a current draw of 465 mA at 60 Hz, delivering consistent management of furnace operation. This model is housed in a plastic protective casing with mounting brackets for secure installation and supports ignition and fan control functions. Though discontinued, it remains a common replacement part for earlier Carrier group HVAC units with model compatibility across HK42FZ007, HK42FZ011, HK42FZ008, and HK42FZ004.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Control Functions: Manages ignition, fan delay, blower timing, and flame sensing.\u003c\/li\u003e\n\u003cli\u003eOEM Compatibility: Designed for use with Carrier, Bryant, and Payne branded furnace systems.\u003c\/li\u003e\n\u003cli\u003eVoltage and Frequency: Operates at 24 VAC, 60 Hz with 465 mA current draw.\u003c\/li\u003e\n\u003cli\u003eRobust Safety: Includes lockout functions for system protection and diagnostics.\u003c\/li\u003e\n\u003cli\u003eMounting Hardware: Equipped with brackets for secure panel mounting in furnace cabinets.\u003c\/li\u003e\n\u003cli\u003eUniversal Gas Compatibility: Suitable for use with all gas furnace configurations.\u003c\/li\u003e\n\u003cli\u003eLightweight Design: Weighs only 0.76 lbs for easy handling and replacement.\u003c\/li\u003e\n\u003cli\u003eCompact Housing: Constructed with durable plastic protective enclosure.\u003c\/li\u003e\n\u003cli\u003eWide Model Coverage: Compatible with HK42FZ011, HK42FZ008, HK42FZ004, and others.\u003c\/li\u003e\n\u003cli\u003eDiscontinued: No longer in production, but available as legacy part for field replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HK42FZ007 delivers dependable performance and essential safety functions in legacy gas furnace systems.\u003c\/p\u003e","brand":"United Technologies","offers":[{"title":"Default Title","offer_id":49105352032512,"sku":"HK42FZ007","price":330.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_14_a7531624-1cab-4ac7-9356-609f543d2630.webp?v=1785545451","url":"https:\/\/alotechparts.com\/products\/hk42fz007-united-technologies-universal-furnace-control-circuit-board","provider":"Alo Tech Solutions","version":"1.0","type":"link"}