Watts 0794131|WW0794131 - RK 909RPDA CK2 2-1/2 3 LF LEAD FREE

This second check repair kit is used for replacing or repairing the second check on a 2 1/2 and 3 inch reduced pressure zone assembly, lead free series 909RPDA, used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. This kit consists of the disc and spring assembly, cover O-ring and lubricant.