Watts LF909-NRS-ALERT 3 - Part of the LF909 Large Series ZC100F-2NH This 1 1/2 inch boiler

This 1 1/2 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

This pressure relief valve has a 3/4 inch NPTF female inlet and outlet and a 35 psi pressure relief setpoint

this drain reduces the risk of roof damage during extreme weather

Seal the end of the channel drain or use knockout to add an outlet and connect to drain pipe with the 12 in

Specifications ArmorTek Technology Yes Backflow Preventer Type Reduced Pressure Detector Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Cast Iron Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass Yes Bypass Size 3/4 IN Cap And Tether No Disc Material Rubber EAN 098268590579 Elbow Fitting No GDS Status Registered Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 2 1/2 IN Inlet Connection Size-Metric 65 MM Inlet Connection Type Mechanical Joint Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Lead Free NO Maximum Temperature-Fahrenheit 140 Maximum Working Pressure-BAR 12

Watts LF909-NRS-ALERT 3 - Part of the LF909 Large Series ZC100F-2NH This 1 1/2 inch boilerThis 3 inch lead free reduced pressure zone backflow preventer assembly with SentryPlus Alert technology for flood detection is designed to prevent the reverse flow of contaminated water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements, as well as provide continuous monitoring, multi channel alerts, and automatic shutoff