Watts 994-OSY-FS 2 1/2 - Part of the 994 Series Inserta Tee This second check valve kit
Baker’s notes & crumb story
Description
Watts 994 OSY FS 2 1 2 Part of the 994 Series Inserta Tee This second check valve kit This second check valve kit is used to repair or replace the second check on a 3 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply Certified to ANSI NSF standard 20