The Watts Series 800M4QT 1" Anti-Siphon Pressure Vacuum Breakers prevent the back flow of contaminated water from entering into the potable water supply due to back siphonage.
- The silicone rubber sealing float O-ring and seal check disc are resistant to heat, shock, and chemical attack to ensure reliable performance
- The acetal bonnet acts as “freeze plug" to prevent body damage
- The test cocks are positioned for easy testing and winterization
- Internal parts are easy to access and service with no special tools required
- Equipped with female NPT inlet and outlet with quarter turn shutoffs
- The silicone rubber sealing float O-ring and seal check disc are resistant to heat, shock, and chemical attack to ensure reliable performance
- The acetal bonnet acts as “freeze plug" to prevent body damage
- The test cocks are positioned for easy testing and winterization
- Internal parts are easy to access and service with no special tools required
- Equipped with female NPT inlet and outlet with quarter turn shutoffs