Ideal for maintenance

What is the benefit of the flare-to-flare design

Every unit includes the high-accuracy A99BB-200C sensor with a 6

it ensures precise calibration for compatible Goodman

The fiberglass leads are designed for extreme dry heat

Watts 0386421 Regulator Valve Els PW 17895 Ideal for maintenanceProfessionals 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