particularly those requiring the J995DHW-6718 pilot burner

Enhanced Capacity Control: Enables the compressor to unload two cylinders per bank for better efficiency under partial loads

What is the reset type for this high pressure switch

When troubleshooting water heater ignition failure or poor flame signals

and the white wire is normally open

Carrier HK02ZB042 Pressure Switch 328140-751 particularly those requiring the J995DHW-6718The Carrier HK02ZB042 Pressure Switch is a critical OEM safety component designed for precise monitoring of combustion air and venting pressure within high efficiency Carrier, Bryant, and Payne furnaces. Factory calibrated to 42# Open and 57# Close, this low pressure switch ensures the inducer motor is moving sufficient air to clear combustion byproducts before allowing the ignition sequence to proceed. It features a 36" lead and a durable diaphragm