{"product_id":"carrier-hk42fz053-integrated-furnace-control-board-24v-hsi-oem","title":"Carrier HK42FZ053 | Integrated Furnace Control Board | 24V | HSI | OEM","description":"\u003ch1\u003e\u003cstrong\u003eCarrier HK42FZ053 | Integrated Furnace Control Board | 24V | HSI | OEM\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCarrier HK42FZ053 \u003c\/strong\u003eis the primary integrated ignition module designed to regulate the operational sequence of high-efficiency heating systems. As a \u003cstrong\u003egenuine OEM\u003c\/strong\u003e \u003cstrong\u003ecomponent\u003c\/strong\u003e, this \u003cstrong\u003ecircuit board \u003c\/strong\u003emanages the critical timing for the inducer motor, gas valve, and blower assembly. Engineered specifically for \u003cstrong\u003eCarrier\u003c\/strong\u003e, \u003cstrong\u003eBryant\u003c\/strong\u003e, and \u003cstrong\u003ePayne\u003c\/strong\u003e furnace series, it ensures precise communication between the thermostat and mechanical hardware. This factory-authorized replacement maintains the specific logic gates and safety timing sequences required to meet original manufacturer specifications for the 58STA and 310AAV series.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number HK42FZ053:\u003c\/strong\u003e A direct factory replacement ensuring 100% terminal-to-terminal compatibility with existing furnace wiring harnesses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Relay Control:\u003c\/strong\u003e Resolves common system failures such as unresponsive blowers or intermittent inducer motor operation caused by worn mechanical relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Safety Monitoring:\u003c\/strong\u003e Actively tracks flame sensors and limit switches to provide immediate system shutdown if abnormal operating temperatures are detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Logic Timing:\u003c\/strong\u003e Features factory-calibrated microprocessor timing for ignition trials and blower delays, optimizing heat exchanger performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Board Diagnostics:\u003c\/strong\u003e Includes a built-in LED indicator that provides rapid fault code feedback for identifying pressure switch or ignition lockouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003eCarrier \/ Factory Authorized Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e United Technologies \/ Carrier Corp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart #:\u003c\/strong\u003e HK42FZ053\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HK42FZ053-OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 822529658971\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.0 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Voltage:\u003c\/strong\u003e 24 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Voltage:\u003c\/strong\u003e 120 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Type:\u003c\/strong\u003e Hot Surface Ignition (HSI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlower Timings:\u003c\/strong\u003e Fixed and Adjustable Heat\/Cool Delays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 60 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTake a Picture First: Before removing any leads from the original board, photograph the entire wiring layout. Many furnace models utilize similar wire colors for different speed taps; a visual reference prevents swapping the \"Heat\" and \"Cool\" terminals. Additionally, inspect the 3-amp or 5-amp blade fuse on the new HK42FZ053 before completing the install—a short in the thermostat wire can often blow this fuse during the swap process.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eSuperseded\/Legacy:\u003c\/strong\u003e\u003c\/h3\u003e\nHK42FZ034, HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011, HK42FZ013, HK42FZ016\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eDrawing Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\n325878-751, CEPL130424-01\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eWhite-Rodgers Equivalents:\u003c\/strong\u003e\u003c\/h3\u003e\n50A55-844\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eICM Equivalent:\u003c\/strong\u003e\u003c\/h3\u003e\nICM282B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eModel Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e310AAV \/ 310JAV\u003c\/strong\u003e (Suffixes: 024045, 036045, 036070, 048070, 048090, 060090, 060110, 066135)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e58DLA \/ 58DLX\u003c\/strong\u003e (Suffixes: 045-10008, 070-10012, 090-10016, 110-10020, 135-10022)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e58STA \/ 58STX\u003c\/strong\u003e (Suffixes: 045-10108, 070-10112, 090-10116, 110-10120, 135-10122)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePG8MAA\u003c\/strong\u003e (Suffixes: 024045, 036045, 036070, 048070, 048090, 060090, 060110, 066135)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":52238383513963,"sku":"HK42FZ053","price":480.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/HK42FZ053.jpg?v=1770143787","url":"https:\/\/tophvacparts.com\/products\/carrier-hk42fz053-integrated-furnace-control-board-24v-hsi-oem","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}