Series 8 Hose Connection Vacuum Breakers permit the attachment of portable hoses to hose thread faucets and prevent the reverse flow of polluted water into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, and a rubber diaphragm and disc. Series 8 is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. Maximum Pressure:125psi (8.6 bar).


  • Stainless steel working parts for longevity
  • Designed to allow sill cock to be drained
  • Screw directly onto sill cock, and once installed, are non-removable
  • Durable rubber diaphragm and disc for consistent positive seating

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