LF909 Large

Lead Free* Reduced Pressure Valve Assemblies - Large Diameter 2 1/2 - 10 Inch Sizes

Series LF909 Large prevents the reverse flow of liquids in a plumbing system due to backpressure or backsiphonage where there is a potential health hazard. An exclusive relief valve design provides substantially improved relief valve discharge performance during emergency conditions of combined backsiphonage and backpressure. The seats are replaceable for economical repair. Large diameter 2 1/2 to 10 inch sizes.

Series LF909 is also available with SentryPlus™ Alert technology to detect catastrophic relief valve discharge that could potentially cause flooding, and issue a multi-channel alert (call, email, text) to selected users so they can take action to avoid potentially costly flooding.

Features

Health hazard protection level
Exclusive relief valve design provides maximum capacity during emergency conditions
Industrial strength sensing hose on larger size models
Available with SentryPlus Alert™ Technology for flood detection alert capabilities
Can be used in a variety of installations, including containment at the service line entrance
No special tools required for servicing

Literature

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Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:

ASSE	CSA	FM Approvals	NSF
UL	ULC	USC	WQA