{"product_id":"carrier-control-board-fc4bnf042020aaaa","title":"OEM Carrier Fan Coil Control Board for Model FC4BNF042020AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Fan Coil Control Board for Model FC4BNF042020AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the central circuit that coordinates blower operation, fan speed selection, and safety logic inside your FC4BNF042020AAAA fan coil unit. A faulty board commonly causes no fan response to thermostat calls, erratic cycling, or a completely unresponsive air handler. This exact-fit replacement is engineered specifically for the Carrier FC4BNF042020AAAA, mounting in the original location and accepting the factory wiring harness for a clean, accurate installation. Restoring the correct board ensures proper timing and protects the blower motor and connected components from voltage irregularities. This is a moderate-difficulty repair best performed by an HVAC technician or an experienced DIYer with the power fully disconnected and the wiring documented before removal. Installing a genuine Carrier board rather than an aftermarket substitute preserves correct system behavior and warranty coverage. We stock this control board and ship it the same day on every order placed before 3PM CST, so your system is back online quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4BNF042020AAAA.\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":62948241047923,"sku":"carrier-control-board-fc4bnf042020aaaa","price":159.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4bnf042020aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}