Watts 994HMB-CFM 2 1/2 X 3 - Part of the 994HMB Series snake fencing Dual weepholes for improved perimeter

Dual weepholes for improved perimeter drainage and structural protection

protecting rivers and lakes from runoff

helping maintain clear flow and minimize maintenance

Bottom mounted relief valve reduces clearance requirements when installed against an outside wall

NPT threaded female connections

Watts 994HMB-CFM 2 1/2 X 3 - Part of the 994HMB Series snake fencing Dual weepholes for improved perimeterThis 2 1 2 to 7 NST by 3 inch portable hydrant backflow preventer with a CFM meter is designed to accurately measure the flow and protect the water supply from possible contaminations. It is ideal for protection where the flow is in one direction and the possibility of cross connection exists, such as on an existing hydrant hookup or other non permanent installation. It prevents the reverse backflow through the fire hydrant of fire protection