Product Details
The Watts Model 9D backflow preventer features 3/4" FPT unions and is designed to operate within a pressure range of 25-175 PSI, with a maximum temperature of 250°F. This dual check backflow preventer includes an atmospheric vent for continuous pressure maintenance. It is important to note that this product contains more than 0.25% lead, making it illegal for use in potable services, including drinking water, handwashing, food preparation, or dishwashing.








