or differential air pressure

The Heil Quaker ICP 1011850 Transition is a critical OEM replacement part designed specifically for 90+ efficiency gas furnaces

Always verify the probe length against the manifold clearance to ensure proper seating within the water column

ensuring long-term operational stability without the risk of intermittent signal loss or moisture ingress

High Pressure Rating: Rated for up to 680 PSIG

Reznor 197028 Pressure Switch Els PW 17895 or differential air pressureThe Reznor 197028 Pressure Switch is a critical safety component designed for precise draft monitoring in high output unit heaters. Engineered as a genuine OEM replacement part, this high altitude pressure switch features a factory calibrated . 65" WC set point and a Single Pole Single Throw (SPST) configuration. It is specifically utilized in Reznor UDX, UDZ, UBX, and UBZ series heaters (size 125) for installations above 6,000 feet, as well as