This SKU is the sensor assembly designed to fit into the 3/8" NPT immersion well

ensuring critical components are deactivated when temperatures drop below the 58°F to 86°F operating range

Pressure switches must match the specific inches of water column rating mandated by the furnace manufacturer

Key Benefits Precision-engineered for Carrier

Watts 0066605 Xpansion Tank Els PW 17895 This SKU is the sensorThe Watts 0066605 ETX 15 is a professional grade non potable thermal expansion tank designed for closed loop hydronic heating systems. Engineered to manage thermal expansion effectively, this unit maintains system pressure safely below the relief valve setting, preventing unnecessary discharge and system stress. The 2. 1 gallon carbon steel tank features a rugged butyl diaphragm that separates system water from the pre charged air cushion, drastically