Before replacing the board, count the LED blinks — the error code tells you what actually failed. Sometimes it’s a $15 fuse, not a $140 board.
HK42FZ027 – CONTROL BOARD
$592.43
Carrier HK42FZ027 control board. OEM microprocessor-based board for Carrier, Bryant, and Payne furnaces. Manages ignition, blower, and system diagnostics.
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
Description
If your furnace won’t ignite, shows error codes, or the blower won’t start, the control board controls all of it. The HK42FZ027 is a Carrier OEM control board with microprocessor-based controls for precise management of ignition, blower timing, and system diagnostics.
Specs: OEM Carrier microprocessor-based integrated furnace control board
Replaces: HK42FZ027
Fits: Carrier, Bryant, and Payne gas furnaces
Need help? See our Furnace Not Heating Guide.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.
