{"product_id":"carrier-control-board-fb4bsf036000aaaa","title":"OEM Carrier Control Board for Model FB4BSF036000AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FB4BSF036000AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the main circuit board that governs blower activation, fan speed sequencing, and safety functions for your Carrier FB4BSF036000AAAA fan coil air handler. If your unit won't start the blower, short-cycles, or loses thermostat communication, a faulty control board is a likely cause. Manufactured to exact Carrier specifications for the FB4BSF036000AAAA, this factory-original part provides the accurate voltage regulation, relay timing, and component compatibility that generic boards frequently miss. Installation is moderate in difficulty: power down the air handler, document the wiring with a photo, transfer each harness connector to the correct terminal, and verify DIP-switch and jumper positions match the original board. We recommend a licensed HVAC professional. A true OEM board preserves your warranty and delivers reliable, long-term performance. This item is in stock and ships same-day when ordered before 3PM CST, reducing your system downtime. Get the exact factory part designed specifically for your model.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4BSF036000AAAA.\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":62951016989043,"sku":"carrier-control-board-fb4bsf036000aaaa","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4bsf036000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}