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WATTS® First and Second Check Kit, For Use With: Model 709 4 in Lead Free Double Check Valve Assemblies
This first or second check valve kit provides all the parts necessary to repair or replace the first or second check valve on a 4 inch lead free double check valve assembly backflow preventer, model LF709. This kit consists of a disc and spring assembly, cover O-ring, upper stem O-ring, and lower stem O-ring.
WATTS® First and Second Check Kit, For Use With: Model 709 4 in Lead Free Double Check Valve Assemblies
This first or second check valve kit provides all the parts necessary to repair or replace the first or second check valve on a 4 inch lead free double check valve assembly backflow preventer, model LF709. This kit consists of a disc and spring assembly, cover O-ring, upper stem O-ring, and lower stem O-ring.
