Series LF909 Large Lead Free* Reduced Pressure Zone assemblies feature a flood sensor using SentryPlus Alert® technology to detect continuous discharge from the relief valve. When paired with …

Series LF909 Small Lead Free* Reduced Pressure Zone assemblies feature a flood sensor using SentryPlus Alert® technology to detect continuous discharge from the relief valve. When paired with …

Function: Prevent the polluted water from flowing back into drinking water; application area: Suitable for the cross-connection of water pipes, where the water source needs to be protected.

Prevents reverse flow of contaminated water caused by backsiphonage or backpressure. Ideal for health‑hazard cross‑connection protection or service line containment. Compact, modular design …

Series LF909 Large Lead Free* Reduced Pressure Zone assemblies feature a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve.

Installation, Maintenance, & Repair Series 909 and LF909 RP/IS-909S Reduced Pressure Zone Assemblies Sizes: 3⁄4" – 2" (20-50mm) ! WARNING Read this Manual BEFORE using this equipment.

service line entrance. With its exclusive relief valve design incorporating the “air-in/water-out" principle, it provides substantially improved relief valve discharge performance during the emergency conditions …

View and Download Watts LF909 installation, maintenance & repair online. Series 909 Reduced Pressure Zone Assemblies Reduced Pressure Detector Assemblies. LF909 pressure washer pdf …

It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards.

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