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800M4FR

Freeze Resistant Pressure Vacuum Breakers

  • Unique built-in relief valve in plastic float protects assembly during sudden freeze conditions by relieving pressure caused by ice
  • Compact and designed for easy maintenance
  • Test cocks are positioned at lowest point of the valve for easy winterization draining
  • O-ring bonnet seal reduces possibility of fouling

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 800M4FR

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