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It consists of chrome plated body
Z551-4NH-D
Removable solid cover with lift handle for maintenance access
offers exceptional tear resistance
Watts LF909-LF-FS 3 - Part of the LF909 Large Series Egress System It consists of chrome platedThis 3 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly without gate valves consists of an epoxy coated cast iron body, captured spring check valves, replaceable seats,
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