{"product_id":"carrier-fh4cnb004000aaaa-control-board-11oe73","title":"OEM Carrier Fan Blower Control Board HK61EA006 — FH4CNB004000AAAA","description":"\u003ch1\u003eOEM Carrier Fan Blower Control Board HK61EA006 for Model FH4CNB004000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM fan blower control board (part number \u003cstrong\u003eHK61EA006\u003c\/strong\u003e), the direct replacement for the \u003cstrong\u003eCarrier FH4CNB004000AAAA\u003c\/strong\u003e air handler. The blower control board serves as the central command module for the air handler's fan motor — managing blower speed staging, operation timing, and communication with the thermostat and system controls. When this board fails, common symptoms include the blower failing to start, running continuously regardless of thermostat demand, erratic fan speed behavior, or a complete system lockout with no response to thermostat calls for heating or cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number HK61EA006 | Factory-matched for Carrier FH4CNB004000AAAA air handlers | Compatible with multi-speed ECM or PSC blower motor configurations as specified | 24V control circuit interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, manufactured to exact factory tolerances for firmware logic, terminal layout, and component ratings. Aftermarket boards may introduce compatibility issues with variable-speed motors, incorrect staging delays, or voided equipment warranties — always choose OEM for control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off all power at the breaker and air handler disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, smartphone for photographing all wiring harness connections prior to removal. Low-voltage wiring experience recommended; consult a licensed HVAC technician if unsure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003eCarrier FH4CNB004000AAAA\u003c\/strong\u003e air handler. Verify your existing board's part number against HK61EA006 before ordering. If you are unsure of fitment, our HVAC parts specialists can confirm compatibility using your model and serial number. Order today and receive free same-day shipping on this in-stock OEM control board.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909511860595,"sku":"CARRIE-FH4CNB004000AAAA-CONTROL_BOARD-HK61EA006","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909511893363,"sku":"CARRIE-FH4CNB004000AAAA-CONTROL_BOARD-HK61EA006-GEN","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fan-HK61EA006_881ff479-336e-4526-a2e4-9ac93f2964fb.jpg?v=1782916613","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fh4cnb004000aaaa-control-board-11oe73","provider":"National HVAC Parts","version":"1.0","type":"link"}