Watts 774-DOSY 4 - Part of the 774 Series Inserta Tee and is equipped with a

and is equipped with a stainless-steel

flanged end connections

This pressure relief valve has a 1 inch NPTF female inlet and outlet and a 75 psi pressure relief setpoint

UPC - 098268432893

Crosswalks

Watts 774-DOSY 4 - Part of the 774 Series Inserta Tee and is equipped with aThis 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazard applications and from other non toxic