The Wilkins 1" 420 Model pressure vacuum breaker is designed for installation on potable water lines to protect against backsiphonage of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists. Includes an all bronze body and corrosion-resistant internal parts for optimal performance.
- ASSE® Listed 1020
- IAPMO® Listed
- CSA® Certified
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California