Watts LF909-NRS-FS 2 1/2 - Part of the LF909 Large Series snake fence Seepage openings + frame clamps:

Seepage openings + frame clamps: Peripheral slots around the frame allow water flow even when paving sits close

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

Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 1579 GPM Disc Material 316 Stainless Steel EAN 098268604436 Inlet Connection Size 6 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature-Fahrenheit 176 Maximum Working Pressure-PSI 200 Minimum Temperature-Fahrenheit 33 Operating Torque-Dry 1542 in-lbs Operating Torque-Wet 907 in-lbs Outlet Connection Size 6 IN Outlet Connection Type Lug Part Number 0525642 Seat Material Buna-N Series BF-03 Silicone Free Yes Stem Shaft Material 316 Stainless Steel Valve Style Lug Specification Sheet - BF-03-M2

Low-Profile Grate: Engineered to sit nearly level with surrounding tile or stone

UPC - 098268348972

Watts LF909-NRS-FS 2 1/2 - Part of the LF909 Large Series snake fence Seepage openings + frame clamps:This 2 1 2 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards and from other contaminants found at the service line entrance. This assembly consists of an epoxy coated cast iron body, non