The part is compatible with the following Carrier / Bryant / Payne models
Replaces the following part numbers
HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011, HK42FZ013, HK42FZ016
About this part
The control board runs the heater’s start-up sequence: it checks safety switches, starts the combustion fan, lights the burner, proves the flame and controls the main fan. Fault codes, a heater that won’t start, or intermittent operation often point to the board.
Before you order
- Check the part number 325878-751 against your old part or your unit’s manual.
- Check your model on the unit’s data plate and compare it with the fitment details on this page.
- Not sure? Contact us with your model and a photo of the old part and we’ll confirm the fit before you buy.
Installation: Gas appliance parts must be installed by a licensed gasfitter. Incorrect installation can be dangerous and may void the warranty.
Browse more Carrier Control Boards at HotnCool.



