Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH The underground root barrier is

The underground root barrier is shipped in long rolls which allow for a long continuous barrier with minimal joints

and the optional dome strainer prevents clogging from leaves and debris

covering pipe sizes from 2″ to 8″

Designed to be heavy duty yet flexible

7% slope with depths from 6

Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH The underground root barrier isThis pressure relief valve has a 1 inch NPTF female inlet and outlet and a 145 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.