This first check repair kit provides all the parts necessary to repair or replace the first check of a 2 1/2 to 4 inch reduced pressure zone assembly backflow preventer, model 994 and reduced pressure detector assembly backflow preventer, model 994RPDA. This kit consists of complete number one check with check O-ring.
Features
- Factory replacement kit
- No special tools required for servicing
- All parts are made of high quality materials
- Parts are specific to valve size