Watts 774-OSY 3 - Part of the 774 Series Drain Fitting This 3/4 inch hydronic package

This 3/4 inch hydronic package kit is used for commercial and residential closed loop hydronic heating systems

Specifications Body Material Lead Free Copper Silicon Alloy Brand Watts EAN 098268567809 GPM-When Relieved Does Not Apply to Product Inlet Connection Size 1 IN Inlet Connection Type Male Threaded Inlet Thread Type NPTF Lead Free YES Maximum Temperature-Fahrenheit 210 Maximum Working Pressure-PSI 112 Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F121428 Pressure Range Does not apply to product Pressure Relief Setting-PSI 150 Protection Type Temperature And Pressure Series LF40L Shank Length Does Not Apply To Product Temperature Relief-Fahrenheit 210 Thermostat Material Nylon Coated Copper Thermostat Probe Length 7 IN Specification Sheet - Flood Sensor for Relief Valve Discharge Line

Specifications Backflow Preventer Type Vacuum Breaker Body Finish Cast Bronze Body Material Bronze Body Pattern Angle Brand Watts Buy American Act Compliant YES Bypass No Cap And Tether No Disc Material Silicone EAN 098268279399 Elbow Fitting No GDS Status Registered Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 IN Inlet Connection Size-Metric 25 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free NO Maximum Temperature-Fahrenheit 140 Maximum Working Pressure-BAR 10

and a reinforced Buna-N diaphragm

Watts 774-OSY 3 - Part of the 774 Series Drain Fitting This 3/4 inch hydronic packageThis lead free double check valve assembly backflow preventer, 3 inch, is designed to prevent the reverse flow of contaminated water of non potable quality 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. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants