An Asse 1022 Dual Check Valve provides a practical way to support potable-water backflow protection where local code allows it. It is designed to reduce reverse flow that could carry contaminants, corrosive substances, or carbonic acid into drinking-water lines. Approved devices are essential for safeguarding potable supplies and following local and national codes. Asse 1013 Manufacturers such as Watts produce …
The Economics of Preventing Back-Siphonage Using Reliable Asse 1022 Valves








