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 ...

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.

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 ...

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 ...