Back Flow Preventers and Non-Return Valves(1 Products)
A back flow prevention device is used to protect potable water supplies from contamination or pollution due to back flow. Back flow is an unwanted flow of water in the reverse direction, back flow preventers are designed to keep this from happening. Back flow preventers and non-return valves will automatically stop any contaminated water from your irrigation system from re-entering your household/mains water supply.
- £19.88 £16.57