Watts RK 957/957RPDA-CK2 6 - Part of the RK-957/957RPDA Series Nonwoven Fabric a pour-on gravel binder by

a pour-on gravel binder by Cell-Tek

and institutional roofing systems

Available in 7" or 9" diameter models

while draining excess surface water from hardscapes

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 a pour-on gravel binder byThis 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