Watts 0122588

1 LF07S

The Watts Model LF07S Residential Fire Sprinkler Dual Check Backflow Preventer is designed for non-health hazard [i.e., pollutant] application on potable fire sprinkler service connections to protect against possible backsiphonage conditions that could inadvertently drain the fire sprinkler system.

Specifications:

The Lead Free* Dual Check Valve Backflow Preventer shall be ASSE® Listed 1024 and be UL Classified. The main body shall be Lead Free* brass featuring replaceable seats and silicone seat discs. The check assemblies shall have captured springs to prevent injury. The Dual Check Valve shall be a Watts Model LF07S.

Typical Installations:

The Model LF07S is typically installed for service on residential fire sprinkler systems. It is recommended this device is installed after a water meter and/or isolation shutoff valve with installation techniques that comply with the latest edition of the Uniform Plumbing Code. Please consult Local Governing Code for proper installation and agency code requirement.