Watts 007M2-LF 1 1/2 - Part of the 007 Series ZA100F-8NH Rugged flexible butyl diaphragm

Rugged flexible butyl diaphragm

Grooved Coupler

is for series 709 which helps to prevent the reverse flow of polluted water from entering into the potable water supply

This product is waterproof

Watts 007M2-LF 1 1/2 - Part of the 007 Series ZA100F-8NH Rugged flexible butyl diaphragmThis 1 1 2 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping applications