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Type "DD" aluminum 4 inch female camlock (Cam & Groove) coupler to 4 inch female camlock (Cam & Groove) coupler 90° elbow
Equivalent part number - FM15S20T
Cold Resistance
The back flush flap will open to aid in releasing debris
Fire Hydrant Backflow Preventer With Relief Valve Inlet Threads_NH / NST Type "DD" aluminum 4 inchReduced pressure zone valve assembly is ideal for use where Lead Free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists. Standards Compliance ASSE Listed 1013 IAPMO Listed CSA Certified B64. 4 AWWA compliant C511 Approved by the Foundation for Cross
