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Z325-4NH-DB
The installation of an air gap and drain line are recommended on reduced pressure zone assemblies
ZN191-RD-4X18-3IP
Epoxy-coated cast-iron body with anchor flange and membrane clamp including weepholes for effective perimeter drainage
an integral 2-inch external water dam
Watts 800M4FR-FZ 1 - Part of the 800M4FR Series Geotextile Z325-4NH-DBThis 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
US$ 189.95
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