High-Temperature Durability: Constructed with materials designed to withstand the thermal stresses found in gas-fired heating units

This straight-pattern valve features a 1/8" NPT connection

Key Benefits for the Contractor

5-inch NPT single threaded hub for flexible installation in various enclosures

For contractors managing fan coil units or baseboard applications

White-Rodgers F89-0036 Well High-Temperature Durability: Constructed with materialsThe White Rodgers F89 0036 is a professional grade 1 2" NPT immersion well designed for heavy duty hydronic heating systems and boiler applications. Engineered for precision and longevity, this copper thermowell features a standard shank with a 3 1 2" insertion length, specifically sized to accommodate a 7 16" temperature sensing bulb. This design allows contractors to service or replace control bulbs without the need to drain the entire system,