Watts LF174A 125 FS 1 1/2 - Part of the LF174A Series roof-hatch-finder ZB453-4NH-7B

ZB453-4NH-7B

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 NPT Part Number 88004143 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series U009 Strainer No Technologies Flood Detection Tradename None Field Guide - Backflow Preventer Repair Parts 007 and 009

10 Gasket Maximum Temperature 180 Degree F Inlet Connection Size 2 1/2 IN Inlet Connection Size-Metric 64 MM Lead Free YES Maximum Working Pressure-PSI 175 Maximum Working Temperature-Fahrenheit 180 Part Number 0121303 Series LF3110 Specification Sheet - LF3110

The reduced water pressure range is 0 to 8 psi (0 to 55 kPa) with the water pressure set at 4 psi (28 kPa)

ZN1970-4NL

Watts LF174A 125 FS 1 1/2 - Part of the LF174A Series roof-hatch-finder ZB453-4NH-7BThis lead free pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 125 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water