{"product_id":"carrier-control-board-fx4cnf036000aaaa","title":"OEM Carrier Furnace Control Circuit Board for Model FX4CNF036000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Circuit Board for Model FX4CNF036000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the main electronic control for the FX4CNF036000AAAA fan coil air handler, managing blower motor staging, fan timing delays, and the safety circuit that ties your thermostat to the indoor blower and outdoor condensing unit. When this board fails, you may notice the blower won't start, the fan runs continuously, the system cycles erratically, or it ignores thermostat calls entirely. Built to Carrier's exact factory specification for the FX4CNF036000AAAA, this genuine replacement delivers the correct relay logic, terminal layout, and harness connectors for an exact fit without the trial-and-error of universal boards. Installation is moderate, roughly 30 to 45 minutes for a trained technician: disconnect power, photograph the existing wiring, transfer connectors one at a time to the matching terminals, and remount the board. Confirm line voltage is fully off before servicing. A genuine OEM board protects your warranty and restores quiet, reliable operation. In stock and ships same-day on orders placed before 3PM CST, backed by Carrier OEM quality.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FX4CNF036000AAAA.\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":62942891901299,"sku":"carrier-control-board-fx4cnf036000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fx4cnf036000aaaa.jpg?v=1781469477","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fx4cnf036000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}