Simple Install: Standard 1/2-inch hub with set screw makes for a quick drop-in replacement on Trane units

Key Benefits of the BT1420029 Heater Assembly

which can prevent the valve from seating correctly

causing the gasket to overheat and lose its sealing properties

making it ideal for low-pressure city gas applications

Resideo L4006A1678 Aquastat Controller 326010-701 Simple Install: Standard 1/2-inch hubThe Resideo L4006A1678 Aquastat Controller is a professional grade immersion sensing device engineered for high limit or low limit temperature control in hydronic heating systems. This immersion controller features SPST contacts designed to break on temperature rise, making it a critical component for regulating boiler water temperatures or protecting storage tanks from overheating. Equipped with a 3 8" x 2 7 8" copper bulb and a 3 inch capillary, the