{"product_id":"carrier-control-board-fa4cnc042010aaaa","title":"OEM Carrier Control Board HK42FZ034 for Model FA4CNC042010AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ034 for Model FA4CNC042010AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board (HK42FZ034) is the electronic brain of your FA4CNC042010AAAA fan coil unit, managing blower operation, safety interlocks, and communication with your thermostat. When the board fails, you may see no blower response, intermittent operation, error codes, or a completely dead system. This authentic Carrier replacement is programmed and built to factory specifications for a direct, exact fit on the FA4CNC042010AAAA, eliminating the guesswork and compatibility risks of universal boards. Replacing a faulty board restores precise timing, fan speed control, and built-in safety monitoring that protects the rest of your equipment. Installation is rated moderate to advanced: most technicians complete it in 30 to 45 minutes by photographing and transferring wire connections one at a time, with power off at the breaker. Because this is a true OEM part, you avoid the reprogramming and wiring headaches that come with generic substitutes. Order before 3PM CST for same-day shipping so your customer's or your own system is back up fast. Our HVAC specialists can verify the board revision matches your unit before you buy.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4CNC042010AAAA.\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":62955765760371,"sku":"carrier-control-board-fa4cnc042010aaaa","price":149.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4cnc042010aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}