Watts LF007M3-QT-S-FZ 3/4 - Part of the LF007 Series Egress System model FS-400-W

model FS-400-W

This valve is designed for non-health hazard residential water system containment

It is ideal in continuous pressure health hazard applications where exposure to sudden freezing conditions such as on irrigation systems and industrial process water systems can occur

or 8 × 12 inches

It contains bonnet disc assembly

Watts LF007M3-QT-S-FZ 3/4 - Part of the LF007 Series Egress System model FS-400-WThis 3 4 inch lead free 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 allows easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping applications