Watts 774-OSY-TS 4 - Part of the 774 Series

Watts 774-OSY-TS 4 - Part of the 774 SeriesThis 4 inch lead free double check valve backflow preventer assembly 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

and it is ideal for health hazard applications requiring continuous pressure such as on chemical dispensers or factory machine equipment

and 100GSM

Thermostatic Vent And Cover Gasket Kit Type Cover Assembly (Inlet) Lead Free Not In Scope Part Number 0038100 Series WFT Specification Sheet - WFTC

Z415-SZ1-DP-4IC

Recommended for use on medium pressure heating equipment

Specifications Brand Watts Lead Free NO UPC - 098268096439

2 Body Material Lead Free Copper Silicon Alloy Brand Watts Buy American Act Compliant YES Corrosion Resistant Coating Yes Disc Material EPDM EAN 098268328677 Gauge Option No Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 1/2 IN Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature-Fahrenheit 160 Maximum Working Pressure-BAR 20

ZB415BL-3IP

With robust construction and enhanced design features

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 1/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 88009219 Series LF223 Standard Reduced Pressure Setting-BAR 5

Second check kit

ZB400N-4NL