Watts 774-DOSY 4 - Part of the 774 Series Inserta Tee UPC - 098268432893

UPC - 098268432893

Product Codes: Z645-3IC

and is equipped with a stainless-steel

UPC - 098268608182

This air gap is designed to collect water that is being discharged by the relief valve and can be installed vertically or horizontally (vent elbow required for vertical installation)

Watts 774-DOSY 4 - Part of the 774 Series Inserta Tee UPC - 098268432893This 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