{"product_id":"carrier-control-board-fb4bnf060000aaaa","title":"OEM Carrier Control Board HK42FZ Series for Model FB4BNF060000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ Series for Model FB4BNF060000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine Carrier control board is the integrated furnace control module for the FB4BNF060000AAAA fan coil unit, managing blower timing, relay logic, and safety circuits. A failed board often shows as a completely dead air handler, a blower that won't start, or intermittent operation that interrupts your comfort. Engineered to factory Carrier standards, it reestablishes proper signaling between the thermostat, blower motor, and heating elements on your FB4BNF060000AAAA. Difficulty is moderate: most handy homeowners finish the swap in 30-45 minutes by labeling each wire, transferring connectors one at a time, and confirming the replacement matches the original part number. Always cut power at the breaker before beginning work. Choosing OEM over generic guarantees correct terminal layout, pinout, and lasting reliability while keeping your warranty valid. This board is in stock now and ships same-day on orders placed before 3PM CST. Trust National HVAC Parts for genuine Carrier components and dependable, fast shipping.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BNF060000AAAA.\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":62951227687283,"sku":"carrier-control-board-fb4bnf060000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bnf060000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}