The Wilkins 3/4" 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