RPZ (Reduced Pressure Zone) valves are a type of backflow prevention device used to protect water supplies from contamination.
All local municipalities require annual testing for residential and commercial properties. Cahill performs annual testing. Call us when you are notified by your municipality.
Did You Know?
Illinois state law requires backflow protection devices be installed for lawn sprinklers, boiler feeds, and fire protection. These devices keep contaminated water from entering your potable water supply. Cahill installs, inspects, and certifies these devices.