{"product_id":"carrier-hk42fz064-integrated-furnace-control-board-24v-hsi-oem","title":"Carrier HK42FZ064 | Integrated Furnace Control Board | 24V | HSI | OEM","description":"\u003ch1\u003e\u003cstrong\u003eCarrier HK42FZ064 | 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 HK42FZ064 \u003c\/strong\u003eis a genuine Factory Authorized Part™ designed to regulate the ignition sequence and airflow management in residential gas furnaces. This integrated furnace control (\u003cstrong\u003eIFC\u003c\/strong\u003e) governs the timing for the Hot Surface Ignitor (HSI), gas valve activation, and multi-speed blower operation. Engineered for the \u003cstrong\u003eCarrier 58MVP \u003c\/strong\u003eand \u003cstrong\u003eBryant 355MAV \u003c\/strong\u003eseries, this \u003cstrong\u003eOEM \u003c\/strong\u003eboard ensures the system follows factory-calibrated logic. By continuously polling the system’s limit switches and pressure sensors, it maintains the operational sequence required by the original equipment manufacturer.\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 # HK42FZ064:\u003c\/strong\u003e A factory-certified replacement that maintains the original UL equipment listing and electrical specifications for Carrier-family furnaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Logic Restoration: \u003c\/strong\u003eSpecifically engineered to resolve \"No Ignition\" codes or constant blower run cycles caused by failed legacy circuit boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Switch Monitoring:\u003c\/strong\u003e Actively monitors the flame sensor and high-limit manual reset switches to interrupt the gas valve if an interruption is detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Relay Design:\u003c\/strong\u003e Features upgraded onboard relays to resolve intermittent inducer motor failures and sticking mechanical contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic LED Interface:\u003c\/strong\u003e Includes a high-visibility status light that displays specific flash codes, allowing for rapid identification of pressure switch or limit circuit faults.\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\u003e Factory Authorized Parts™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Carrier Corporation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart #:\u003c\/strong\u003e HK42FZ064\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HK42FZ064-FAP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 822529592336\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\u003eBlower Relay:\u003c\/strong\u003e 15A Max\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\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 disconnecting the multi-pin molex connectors or individual spade terminals (EAC, HUM, Stat), photograph the original board's wiring. Verify Your Grounding: These OEM boards rely on a micro-amp flame rectification signal; ensure the furnace chassis ground is clean and secure. A poor ground connection can cause a new board to \"lock out\" even if the flame sensor and ignitor are functioning correctly.\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\nHK42FZ043, HK42FZ051, HK42FZ055\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eDirect Replacement Numbers: \u003c\/strong\u003e\u003c\/h3\u003e\nCEPL130988-60, CEPL130988-60-R, CEPL130988-60-RA\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eDrawing\/Alternate Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\n1012-940, 1012-83-9401-A\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eWhite-Rodgers\/Emerson Equivalents:\u003c\/strong\u003e\u003c\/h3\u003e\n50A60-121, 50A60-841 (Verify compatibility)\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\u003e58CVA \/ 58CTW\u003c\/strong\u003e (Suffixes: 070, 090, 110, 135)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e59TN6A\u003c\/strong\u003e (Suffixes: 060V, 080V, 100V, 120V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350MAV \/ 355MAV\u003c\/strong\u003e (Suffixes: 036040, 036060, 042060, 048080, 060080, 060100, 060120)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e58MVP \/ 58UHV\u003c\/strong\u003e (Suffixes: 040, 060, 080, 100, 120)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":52238385611115,"sku":"HK42FZ064","price":1282.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/rcd-parts_hk42fz064_article_1408712821681_en_normal.webp?v=1753958602","url":"https:\/\/tophvacparts.com\/products\/carrier-hk42fz064-integrated-furnace-control-board-24v-hsi-oem","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}