ROANOKE – On the afternoon of January 17th, a six inch RPZ valve in the boiler room at Hidden Valley High School failed. As a result of this valve failure, a large amount of water was released ...

4. Protect your outside faucets and RPZ valve: Freezing temperatures can cause cracks to outdoor faucets, pipe bursts, and irreparable cracks on Reduced Pressure Zone Assembly (RPZ) back flow devices.

International acceptance The RPZ valve has been used successfully in the US for over 25 years and in many parts of Europe for more than ten years, which represents a thorough test of the device’s ...

The Mikrofill 3 integrates American Society of Sanitary Engineering (ASSE)-approved, commercial backflow prevention, eliminating the need for reduced pressure zone (RPZ) valves to avoid contaminating ...