{"product_id":"carrier-control-board-fb4anf024010afaa","title":"OEM Carrier Control Board HK42FZ034 for Model FB4ANF024010AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ034 for Model FB4ANF024010AFAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board (HK42FZ034) manages blower operation, fan timing, and safety logic for your Carrier FB4ANF024010AFAA fan coil air handler. A failing board often shows up as a no-start condition, a blower that runs nonstop, or unpredictable cycling. This genuine OEM replacement is built to the exact specifications of the FB4ANF024010AFAA, providing correct relay sequencing and voltage tolerance that aftermarket boards may not deliver. Installation difficulty is moderate and best handled by an HVAC technician: shut off power at the disconnect, take a photo of the wiring, transfer each connection to the new board, and remount it—usually 30-45 minutes. Confirm the part number on your current board before ordering for a guaranteed match. Genuine Carrier engineering means consistent, reliable performance over the long haul. In stock and ships same-day when you order before 3PM CST, so your air handler is back up and running without the wait. Order yours today.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF024010AFAA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62953953329523,"sku":"carrier-control-board-fb4anf024010afaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4anf024010afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}