- Type: Reduced Pressure Zone Assembly, Compact, In-Line Pattern
- Valve Configuration: 1/4 Turn Ball Valve
- Nominal Size: 1 Inch x 1 Inch
- End Connection: Female Threaded x Female Threaded
- End to End Distance: 19-5/8 Inch
- Body Material: Cast Bronze
- Disc/Poppet Material: Silicone Disc
- Seat Material: Engineered Plastic
- Temperature Rating: 33 to 140 Deg F
- Pressure Rating: 175 PSI
- Inclusions/Features: Bronze Strainer, Tee Handle
- Application: Health Hazard
- Applicable Standard: ASSE 1013, AWWA C511-92, BAA, IAPMO, SBCCI, NSF, CSA (Canada and US) B64.4, FM
- Additional Information: Lead-Free
Series LF909 Reduced Pressure Zone Assemblies are designed to provide superior cross-connection control protection of the potable water supply in accordance with national plumbing codes and containment control for water authority requirements. This series can be utilized in a variety of installations, including health hazard cross-connections in plumbing systems or for containment at the service line entrance. The LF909 features Lead-Free construction to comply with Lead-Free installation requirements. With its exclusive, design incorporating the "air-in/water-out" principle it provides maximum relief valve discharge during the emergency conditions of combined backsiphonage and backpressure with both checks fouled. Model LF909QT, standardly furnished with full port, resilient seated and Lead-Free cast copper silicon alloy ball valve shutoffs.