Watts LF909-DNRS-FS 4 - Part of the LF909 Large Series ground-shipping preventing rust

preventing rust

or commercial floor applications — from maintenance areas and mechanical rooms to service floors and heavy-traffic zones

This 3/8 inch dual check vacuum breaker backflow preventer is designed for vending machine water supply lines to prevent the reverse flow of contaminates

Available in roll widths from 18” to 30" and thicknesses ranging from 30 mil to 100 mil

Built to meet demanding commercial and industrial roofing needs

Watts LF909-DNRS-FS 4 - Part of the LF909 Large Series ground-shipping preventing rustThis 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. This assembly consists of an epoxy coated cast iron body, domestic non rising stem resilient seated gate valves, captured spring