LF800M4QT
Lead-free* Anti-Siphon Pressure Vacuum Breaker Backflow Preventers Sizes: 1/2 IN - 2 IN (15mm – 50mm)
Series LF800M4QT Lead-free* Anti-Siphon Pressure Vacuum Breakers prevent the reverse flow of liquids in a plumbing system due to backsiphonage where there is a potential health hazard. For use in continuous pressure applications where the water enters the equipment at or below its flood rim. Designed for ease of maintenance with a replaceable plastic seat and readily accessible test cocks for testing and winterization. The seat disc is silicone rubber for durability, and an O-ring bonnet seal resists fouling.
Features
- Test costs are positioned for easy testing and winterization
- Health hazard protection level
- Replaceable plastic seat
- Acetal bonnet acts as freeze plug to prevent body damage
Literature
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Literature
- Brochure - Backflow Prevention and Flow Control for Waterworks
- Brochure - Backflow Prevention and Flow Control Plumbing
- Brochure - Backflow Prevention and Flow Control Plumbing (Spanish)
- Installation Instructions - 800M4, LF800M4
- Price List - Backflow Prevention Repair Kits & Service Parts
- Specification Sheet - LF800M4QT
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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 |