Watts 800M4-FR-SH 1 - Part of the 800M4FR Series Basement Window Well This 1 inch lead free

This 1 inch lead free MIDI check valve is used in general industrial and plumbing applications to prevent the effects of water hammer in the piping system

lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets

Contains spring

and can be easily cleaned

UPC - 098268038088

Watts 800M4-FR-SH 1 - Part of the 800M4FR Series Basement Window Well This 1 inch lead freeThis 1 inch freeze resistant pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, a built in relief valve to protect the internal components and