Field Controls 46273100 Pressure Switch Els PW 17895 The Watts 0556001 (model 100XL-8-150)

The Watts 0556001 (model 100XL-8-150) is a heavy-duty 3/4 inch T&P relief valve engineered for critical temperature and pressure protection in water heater and storage tank applications

and HE365 humidifier series

Extended Reach: A 18" probe length allows the sensor to bypass laminar flow and capture accurate core air temperatures in larger ducts

Common Questions & Technical Support

or error codes indicating a "No Flame Detected" condition

Field Controls 46273100 Pressure Switch Els PW 17895 The Watts 0556001 (model 100XL-8-150)The Field Controls 46273100 Pressure Switch is a critical safety component designed for precise draft pressure monitoring in residential and commercial HVAC systems. This single pole single throw (SPST) switch features a compression connection, ensuring a secure, leak proof interface with the pressure sensing line. Built to detect combustion air pressure variations, it serves as a fail safe to prevent burner operation under blocked flue or inadequate