preventing intermittent ignition failures

Precision Capacitance: The 40 MFD (microfarad) rating ensures the correct phase angle for motor efficiency

a lower spring plate

Engineered specifically for Weil McLain LGB boilers

Carrier HK38EA040 Control Board 319848-301 preventing intermittent ignition failuresThe 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