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.