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- This second check repair kit provides all the parts necessary to repair or replace the second check on a 2 1/2 to 4 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.
WATTS® Second Check Kit, For Use With: Model 957 2-1/2 to 4" Reduced Pressure Zone Assemblies and 957RPDA Reduced Pressure Detector Assembly
- Parts are specific to valve size
- Factory replacement parts
- No special tools are required for servicing
- All parts are made of high quality materials
- Second Check Module, Check Module O-ring, EPDM Disc Elastomer
- Domestic / ImportDomesticSpecificationsLead FreeSuitable For Use WithModel 957DCDATypeSecond Check KitManufacturerWatts Water TechnologiesManufacturer #0899216SeriesRK-957 / 957RPDA