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Waterproofing Compatibility & Debris Control: Designed with secure membrane integration in mind
Available in 7" or 9" diameter models
The suspended solids are allowed to settle out of the slowed flow and are captured by the Dandy Sack prior to entering the inlet
Features Integrated supervisory switch eliminates lengthy field instruction and opportunity for error
Watts RK 957/957RPDA-CK2 6 - Part of the RK-957/957RPDA Series Nonwoven Fabric Waterproofing Compatibility & Debris Control:This second check repair kit provides all the parts necessary to repair or replace the second check on a 6 inch reduced pressure valve assembly backflow preventer, model 957 and reduced pressure detector assembly backflow preventer, model 957DCDA. This kit consists of second check module, check module O ring and EPDM disc elastomer. Features Factory replacement kit No special tools required for servicing All parts are made of high quality materials