Prevents dangerous back-siphonage; automatically self-drains when all attachments are removed completely from the valve's outlet. Protects the valve and faucet from freezing and rupturing in cold weather. Constructed with brass body and adapter. Buna O-ring and seat disc, steel set screw, stainless steel springs and the highest quality molded parts.
Note: These units are not intended for use where water contamination could occur as a result of draining or for permanent continuous pressure installation. For continuous pressure systems, install the BFP described here.
Designed to prevent dangerous back-siphonage and backflow into a potable water supply system. For use around homes, schools, commercial buildings, laboratories or any application involving a moveable hose attached to threaded faucets.
The VB-222 is certified to ASSE 1011 and CSA 64.2 and is listed by IAPMO, ASSE, and CSA.
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