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The STORM ASBU10Y is a 1-inch brass anti-siphon body with union, designed to prevent backflow and protect potable water supplies from contamination caused by back-siphonage. This fitting incorporates a union connection for easier in-line installation and serviceability without cutting pipe. Built from brass construction, it is suited for use in irrigation, plumbing, and water distribution systems where backflow prevention at a valve or outlet is required. Licensed plumbers and irrigation technicians are the primary installers of this type of device in both residential and light commercial settings.
The ASBU10Y anti-siphon body with union is typically installed at hose bibs, irrigation control valves, and service connections where a backflow prevention device is required by local plumbing code. The 1-inch size makes it compatible with standard 1-inch pipe runs in residential irrigation manifolds and service line branches. Its union fitting allows the body to be removed and serviced or replaced without disturbing adjacent piping.
Designed as an OEM-style replacement or direct-install anti-siphon valve body for 1-inch plumbing and irrigation systems requiring backflow prevention at the point of connection.
Installation should be performed by a licensed plumber or certified irrigation technician in accordance with local plumbing codes and the applicable International Plumbing Code requirements for backflow prevention devices. Shut off the water supply and relieve line pressure before removing any existing valve or fitting. The union connection should be hand-tightened first, then snugged with a wrench using appropriate thread sealant or tape on threaded connections. Verify the anti-siphon device is oriented correctly per the flow direction marked on the body before returning the system to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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