Watts 0386421 Regulator Valve Els PW 17895 Key Benefits Universal Compatibility: Fits

Key Benefits Universal Compatibility: Fits most mid-sized rectangular thermostats with internal dimensions of 6-3/8" L x 3-1/2" W x 3" D

this valve provides a 4

allowing it to handle temperatures up to 250°F and line pressures up to 300 psi

Simplified Field Service: The T-handle design allows for quick

Always verify your fan blade pitch to ensure proper airflow direction before installation

Watts 0386421 Regulator Valve Els PW 17895 Key Benefits Universal Compatibility: FitsProfessionals in the field recognize the Watts 0386421 (Model TB1156F) as a high capacity industry standard for hydronic heating systems. This 1 2 inch feed water pressure regulator is engineered to maintain consistent system pressure by automatically filling the boiler and piping. It serves as a drop in 0386500 replacement and is the direct successor to the legacy T1156F valve. Designed for rugged commercial and residential use, the Watts 0386421