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NF8

Hose Connection Vacuum Breaker Backflow Preventers for Wall & Yard Hydrants, Brass

  • Screw directly onto sill cock, with no plumbing changes required
  • Stainless steel working parts for longevity
  • Permits manual draining for freezing conditions
  • Durable rubber diaphragm and disc provides positive seating

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific NF8

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