Lead Free* Anti-Siphon Pressure Vacuum Breakers - LF800M4QT

Series LF800M4QT Lead-Free* antisiphon pressure vacuum breakers include a freeze sensor for use with SentryPlus Alert® technology to monitor temperature nearing the freezing point. The sensor is activated with the BMS/IMS Freeze Sensor Connection Kit to relay a signal to building or irrigation management systems, helping facility personnel take actions that reduce or eliminate PVB replacement and repair. Freeze alerts are distributed according to the BMS/IMS application.

This series is ideal for health hazard continuous pressure applications, such as irrigation systems and industrial process water systems, when exposure to sudden freezing occurs where water enters the equipment at or below its flood rim.

Specification

Features
- Readily accessible test cocks for testing and winterization
- Health hazard protection level
- Seat disc is silicone rubber for durability, and an O-ring bonnet seal resists fouling
- Acetal bonnet acts as freeze plug to prevent body damage
- Designed for ease of maintenance with a replaceable plastic seat
- Sensor on PVB signals when temperature nears the freezing point
- Freeze alerts help extend use of the PVB device by reducing damage and repair
- Freeze alerts feature available with add-on connection kit for irrigation management systems
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