Watts 957RPDA-OSY-GPM-FS 10 - Part of the 957RPDA Series Sheet Drain and promenade areas

and promenade areas

The Watts RD-200-R is a small-area overflow roof drain designed to provide secondary (emergency) drainage when primary roof drains are exceeded or obstructed

Multiple outlet sizes for flexible system integration

or walkway

Co-plane straps maintain parallel alignment of rails for long runs

Watts 957RPDA-OSY-GPM-FS 10 - Part of the 957RPDA Series Sheet Drain and promenade areasThis 10 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,