WATTS® Second Check Kit, For Use With: Model 009/LF009 1/4 to 1/2 in Reduced Pressure Zone Assembly, Domestic
This 1/4 to 1/2 inch second check repair kit for a reduced pressure zone assembly, series 009, whihc is used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. This kit consists of a check assembly and cover O-ring.