Watts LF909-NRS-FS 4 - Part of the LF909 Large Series silt-fence-selector Cover O-ring Kit Type Cover

Cover O-ring Kit Type Cover Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268698633

It consists of a lead free copper silicon alloy body construction with NPT threaded male inlet and NPT threaded female (drain) outlet

304 stainless steel material

a tight seating check valve

UPC - 098268652062

Watts LF909-NRS-FS 4 - Part of the LF909 Large Series silt-fence-selector Cover O-ring Kit Type CoverThis 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. 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