Description
When the valve is installed off the main line on the branch of a tee
UPC - 098268651706
ZN400N-2IC
ZN189-4IP-5x6x11
ZN415G-3NH
Watts 957N-DOSY 4 - Part of the 957 Series Window Well Extension When the valve is installedThis 4 inch N pattern reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. This extremely compact and lighter than a traditional designed assembly is approved for horizontal installation
Exchange/Return Notes
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