Watts 774-DOSY 6 - Part of the 774 Series snake fencing This 2 1/2 inch flow

This 2 1/2 inch flow measurement valve monitors system flow in medium to high flow rate HVAC units

Protects against excessive temperature and pressure during emergency conditions

Designed specifically for precast slab installations

configure with inlet and outlet gauge ports

Watts 774-DOSY 6 - Part of the 774 Series snake fencing This 2 1/2 inch flowThis 6 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