An Asse 1022 Dual Check Valve provides a practical way to support potable-water backflow protection where local code allows it. It helps prevent contaminants and corrosive substances, such as carbonic acid, from entering drinking water. Approved devices are essential for safeguarding potable supplies and following local and national codes. Asse 1022 Manufacturers such as Watts produce backflow preventers that meet …
How to Avoid Costly Fines by Upgrading to an Asse 1022 Device






