Encyclopedia & FAQ's

DIY Frequently Asked Questions / Backflow Protector


  • DIY Frequently Asked Questions / Backflow Protector')"> An anti-siphoning device.
  • Prevents reverse flow of water and contaminants back into plumbing pipes through unprotected hoses.
  • Can be plastic or brass.
  • Fits between the threaded faucet and hose.
  • Most plumbing codes require that non-removable breakers be used.
  • Drain in winter to avoid freezing.