Carrier HK38EA040 Control Board 322838-753 It features integrated speed-up pins

It features integrated speed-up pins for field testing and selectable defrost intervals (30

With architectural dimensions of 35

Standardized Connections: Features 3/8" x 3/8" NPTFE to Flare threading for straightforward replacement in existing piping arrays

With a robust 150VA power rating and 60Hz frequency compatibility

High Force Output: Robust 4-inch stroke provides the leverage necessary for oversized or heavy-gauge smoke and control dampers

Carrier HK38EA040 Control Board 322838-753 It features integrated speed-up pinsThe Carrier HK38EA040 Control Board (EXMB) functions as the central processing hub for compatible residential and commercial HVAC systems. This OEM replacement circuit board is engineered to manage critical system sequences, including fan speed regulation, burner ignition, and cooling cycle timing. As a factory authorized part, the HK38EA040 ensures high level communication between thermostats and system components, maintaining the exact performance