Watts 957RPDA-OSY-GPM-FS 4 - Part of the 957RPDA Series Window Well Extension Burn N disc to metal

Burn N disc to metal seating for a positive seal

UPC - 098268451719

This 1 inch lead free boiler isolation valve set with threaded connections facilitates isolation of the boiler from the system supply and return lines

lead free brass adapter and steel handle

Dual weepholes and reversible clamping collar for enhanced perimeter drainage control

Watts 957RPDA-OSY-GPM-FS 4 - Part of the 957RPDA Series Window Well Extension Burn N disc to metalThis 4 inch reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with outside stem and yoke, test cocks,