Watts LF909-NRS-NYC-FS 4 - Part of the LF909 Large Series

Watts LF909-NRS-NYC-FS 4 - Part of the LF909 Large SeriesThis 4 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. This assembly consists of an epoxy coated cast iron body, NRS gate valves, captured spring check valves, replaceable seats, top mounted test cocks and a field reversible pressure differential relief valve. The coating on this backflow assembly uses

It includes a micro-bubble air separator with sweat connections

8 BAR ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268637687 Inlet Connection Size 2 1/2 IN Inlet Connection Type Grooved Joint Lead Free YES Maximum Operating Temperature-Fahrenheit 225 Maximum Working Pressure-PSI 400 Outlet Connection Size 2 1/2 IN Outlet Connection Type Grooved Joint Part Number 1GK00109 Series LFM116 Valve Style Mustang Warranty Name Watts Warranty - ACV ArmorTek Submittal Package - Automatic Control Valve LFM116

UPC - 098268609066

and a grate/strainer arrangement that blocks debris and helps maintain clear flow and reduce clogging

UPC - 098268105018

Z191-5X4X24-3NH

8″ (203 mm) diameter adjustable top for finish floor height alignment

It features an epoxy coated cast iron body with ANSI B16

UPC - 098268128741

Water flow is directed toward the outlet in the channel drain

Includes EPDM O-ring

Specifications Brand Watts Buy American Act Compliant YES Outlet Connection Size 4 IN Outlet Connection Type No Hub Specification Sheet - FD-100-EF