Watts LF909 Lead Free RPZ Backflow Preventer, 3/4 in., Quarter-Turn Shutoffs

The Watts LF909 (F391008) is a 3/4 in. lead free reduced pressure zone backflow preventer. Its patented air-in, water-out relief design delivers high-capacity discharge in an emergency, keeping polluted water out of the potable supply during backsiphonage or backpressure at health-hazard cross-connections.

The compact assembly is built on a lead free body and combines quarter-turn shutoffs with tee handles, check modules with replaceable seats, a pressure differential relief valve and test cocks mounted on top. It can be installed horizontally or vertically with flow up or down, and servicing needs no special tools.

A flood sensor with SentryPlus Alert technology monitors the relief valve for heavy discharge. Paired with an add-on connection kit for BMS or cellular communication, it can notify staff of possible flooding.

Highlights

• 3/4 in. lead free reduced pressure zone assembly

• Patented air-in, water-out relief for high emergency discharge capacity

• Quarter-turn ball valves with tee handles and top mounted test cocks

• Horizontal or vertical (up or down) installation

• Serviced without special tools

• SentryPlus Alert flood sensor; alerts need an add-on kit

Specifications