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it supports OSHA-compliant safety railings and is available in various sizes
ZM400BS-2IC
50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Union Joint Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type Does Not Apply To Product Part Number T388008 Polymer Coating No Pressure Operation Continuous Protection Type Backsiphonage Seat Material Engineered Plastic Series 800M4FR Strainer No Technologies Freeze Detection Specification Sheet - 800M4FR
UPC - 098268349696
Watts 174A-125 2 - Part of the 174A Series ZA100F-2NH it supports OSHA-compliant safety railingsThis 2 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non metallic disc to metal seating, stainless steel spring, and test lever. It resists corrosive water conditions,