Watts 994-NRS-FS 4 - Part of the 994 Series

Watts 994-NRS-FS 4 - Part of the 994 SeriesThis 4 inch lead free reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. This assembly consists of a short lay length stainless steel body, test cocks, corrosive resistant stainless steel bottom mounted relief valve, torsion spring check

It is installed immediately downstream of the residential water meter

Specifications Body Coating Type Fusion Epoxy Coated Body Material Ductile Iron Brand Watts Center Joint Bolt Material Stainless Steel Center Joint Nut Material Stainless Steel Diameter 4 IN EAN 098268381245 Inlet Connection Size 4 IN Inlet Connection Size-Metric 100 MM Inlet Connection Type Flanged Joint Lead Free YES Maximum Working Pressure-BAR 12

thermo-bonded coated thermostat

reinforced PTFE seats and seals

The fabric is constructed of polypropylene and needle punched in a random pattern to provide a dependable level of permeability

UPC - 098268913521

and performance

Ideal for installations where aesthetics are as important as functionality—such as historic façades

2 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268329315 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 1/2 IN Inlet Connection Type Union Joint Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 20

UPC - 098268608069

is easy to install

This 1 1/2 inch two-way universal flow check valve is for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running