Popular in the Western United States, ASV valves combine reliable operation with built-in backflow prevention.

Electric valve with atmospheric backflow prevention in an economical valve designed for residential use.

Got an irrigation system that requires backflow prevention for every zone? Hunter has a valve designed specifically to meet that need. The new ASV anti-siphon/electric valve offers simple operation and trouble-free performance for both residential and light commercial sites, while eliminating the need to install a separate backflow preventer. This convenient all-in-one unit offers a whole host of features that professionals have come to expect from a Hunter valve: a rugged diaphragm that provides a leak-proof seal, internal bleed for manual operation, stainless steel hardware and springs, stainless steel bonnet screws, and heavy-duty PVC construction that is both corrosion- and UV-resistant. The ASV also includes flow control, allowing precise adjustment of the flow plus manual shutoff. For proven reliability that meets all the listing requirements of the regulatory agencies that set the standards for anti-siphon valves, you can depend on the Hunter ASV.