• The sensor on PVB signals when the temperature nears the freezing point
• Freeze alerts help extend the use of the PVB device by reducing damage and repair
• Freeze alerts feature available with add-on connection kit for irrigation management systems
• All bronze bodies for durability. One check valve and an air opening port in one assembly
• Lightweight poppet seals air opening under minimum flow conditions
• Simple service procedures. All internal parts serviceable in line from the top of the unit
• Designed for minimum head loss

Series 765 Pressure Vacuum Breakers include a freeze sensor for use with SentryPlus Alert® technology to signal when ambient temperature approaches the freeze threshold. Activated through an add-on connection kit, the sensor also triggers freeze alerts to facility personnel. Connection kit available for building/irrigation management system (BMS/IMS). This series is designed to provide protection against back siphonage of toxic or non-toxic liquids. They feature a durable bronze body and check valve and air-opening port in one assembly. The maximum working pressure is 150 psi (10.3 bar).