{"product_id":"carrier-kfceh3501f30-control-board-11oe73","title":"OEM Carrier Rectifier Control Board HK61EA003 for KFCEH3501F30","description":"\u003ch1\u003eOEM Carrier Rectifier Control Board HK61EA003 for Model KFCEH3501F30\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM rectifier control board (part number \u003cstrong\u003eHK61EA003\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier KFCEH3501F30\u003c\/strong\u003e electric heating kit. The rectifier control board manages the conversion and regulation of electrical signals that coordinate heating element sequencing, safety circuit monitoring, and system communication. When this board fails, common symptoms include complete loss of heat, erratic or intermittent heating cycles, tripped safety lockouts that won't reset, or a system that powers on but produces no output — all signs the control board is no longer orchestrating functions correctly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number HK61EA003 | Rectifier control board | Factory-matched input\/output ratings | Direct plug-and-play connector compatibility for KFCEH3501F30 electric heating kits\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. Aftermarket control boards frequently suffer from mismatched firmware logic, substandard relay ratings, and inconsistent safety circuit thresholds — risks not worth taking on a primary control component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter for voltage verification. Photograph all wiring harness connections before removal. Reattach connectors firmly and verify secure seating before restoring power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the Carrier \u003cstrong\u003eKFCEH3501F30\u003c\/strong\u003e electric heating kit. Always cross-reference your existing board's part number against HK61EA003 and verify your unit's data plate specifications before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you buy for total peace of mind. \u003cstrong\u003eOrder today and your part ships the same business day.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909311418739,"sku":"CARRIE-KFCEH3501F30-CONTROL_BOARD-HK61EA003","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909311451507,"sku":"CARRIE-KFCEH3501F30-CONTROL_BOARD-HK61EA003-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-furnace-HK61EA003_cabc369a-c178-4ca4-95c9-dbb1e5aa6916.jpg?v=1782931657","url":"https:\/\/nationalhvacparts.com\/products\/carrier-kfceh3501f30-control-board-11oe73","provider":"National HVAC Parts","version":"1.0","type":"link"}