The Asse 1022 Dual Check Valve is a compact, code-aware solution for potable water backflow protection. It helps prevent contaminants and corrosive substances, such as carbonic acid, from entering drinking water. Using an approved device helps protect potable supplies while supporting compliance with local and national plumbing requirements. Asse 1013 Backflow preventer manufacturers, including Watts, make devices that are built …
A Guide to Local Water District Mandates Regarding Asse 1022 Devices





