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each affixed to an adapter for easy installation on test cocks
it has an NDS Class A load rating when properly installed (pedestrian traffic only)
This 1 by 1 inch 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
Specifications Brand Watts Buy American Act Compliant NO Lead Free Not In Scope Outlet Connection Size 4 IN Outlet Connection Type Push Specification Sheet - FD-460-F
UPC - 098268023084
Watts 800M4QT-SH 1 - Part of the 800M4QT Series ZA100F-6NH each affixed to an adapterThis 1 inch anti siphon 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, stainless steel tee handle shutoff, and test cocks for winterization