Retro-fit repair kit for the 1" Watts 800M4 Series pressure vacuum breaker (PVB) backflow preventer. This kit is designed to retro-fit your Watts 800M4 to a freeze resistant (800M4-FR) model. This kit contains everything needed for the conversion. Please note, this converts it to "freeze resistant", Not "freeze-proof." Your device should be drained and winterized in freezing conditions. Genuine Watts repair kit.
Retro-fit repair kit for the 1" Watts 800M4 Series pressure vacuum breaker (PVB) backflow preventer. This kit is designed to retro-fit your Watts 800M4 to a freeze resistant (800M4-FR) model. This kit contains everything nee...
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