VMMDCI34 11-3JM 43 4135269 3/4 METER SWIVEL x MIP UNION INLINE DUAL CHECK

About the VMMDCI34 11-3JM 43 4135269 3/4 METER SWIVEL x MIP UNION INLINE DUAL CHECK

AY McDonald 11-3JM 43 Brass Inline Dual Check Valve. This dual check valve has a meter swivel integral inlet and a 3/4 inch MIP (male thread) union on the other. Inline check valves prevent the back wash of water protecting the public water supply. It prevents the reverse flow into the water main from a building.