Learn more about Lawn Belt. Discuss Add-Ons, accessories and parts. Find and share different ways this irrigation system can be used in your garden.
24. Do you need a backflow prevention valve? - Top
It is highly recommended. A backflow valve may even be a requirement in your area. Check with your local water company.
A back flow prevention valve keeps unwanted debris (fertilizers and contaminants) out of your main water line or sprinkler's water source. This usually occurs when the system is suddenly turned off.
- Updated: February 15, 2006