Watts 709DCDA-OSY-CFM 3/4NYC 8 - Part of the 709DCDA Series

Watts 709DCDA-OSY-CFM 3/4NYC 8 - Part of the 709DCDA SeriesThis 8 inch 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. It is ideal for protection at cross connections identified as non health hazard applications and contaminants found at the service line. This assembly consists of a fused epoxy coated cast iron body, OSY

UPC - 098268303209

residential and industrial applications to protect against excessive pressure in systems containing water

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 6 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Non Rising Stem Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 88009306 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series LF909 Large Strainer No Technologies Flood Detection Tradename None Specification Sheet - Flood Sensor Connection Kit - Watts

The reduced low pressure rating is set at 30 psi (207 kPa)

Features Thermo-bonded thermostat

This valve consists of a one-piece brass body with brass drain

It features a flashing clamp with integral gravel stop and a 4 inch no hub outlet for easy installation

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0009488 Series LFN45B Standard Reduced Pressure Setting-BAR 4

Waterproofing Interface & Debris Control: Includes features to securely tie into the building’s waterproofing membrane and a grate/strainer system to block debris from entering the drain

Sewer lines can be encircled by this product to prevent tree root damage

00 Minimum Temperature-Fahrenheit 0 Operating Torque 200 in-lbs Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type FPT Part Number 0792514 Port Type Full Seat Material Virgin PTFE Series LFFBV Stem Packing Material Virgin PTFE Stem Shaft Material Brass Stem Type Bottom Loaded Blowout Proof Thrust Washer Material Virgin PTFE Valve Style 2-piece WOG Rating 600 PSI Specification Sheet - LFFBV

This pressure relief valve has a 1 inch NPTF female inlet and outlet and a 125 psi pressure relief setpoint