This 3/4 inch pressure vacuum breaker backflow preventer is designed to protect against health hazard and non-health hazard backsiphonage of toxic or non-toxic liquids in various applications.

The unit features a bronze body for durability, a spring-loaded check valve, an air relief valve with an opening port, two resilient seated shutoffs, and test cocks. It also includes a freeze sensor to monitor temperature and alert facility personnel via SentryPlus Alert® technology when freeze conditions may occur.

Applications

• Industrial plants
• Cooling towers
• Laboratories
• Laundries
• Swimming pools
• Lawn sprinkler and irrigation systems

Features

• Bronze body construction for long-lasting durability.
• Incorporates a spring-loaded check valve and an air opening port in one assembly.
• Lightweight poppet seals air opening under minimum flow conditions.
• All internal parts are serviceable in line from the top of the unit for simple maintenance.
• Designed for minimum head loss.
• Engineered plastic bonnet protects valve bodies from freeze damage.
• Union end ball valves allow for easy removal and ultimate freeze protection.
• Includes a standalone freeze sensor for use with SentryPlus Alert® technology to trigger alerts for low and freezing temperatures.
• An add-on connection kit (sold separately) is required to activate the freeze sensor and enable Wi-Fi communication with management systems (BMS/IMS).

WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Consult local water authority, building, and plumbing codes before installing.

WARNING: The freeze sensor solely provides alerts about a possible freeze event and cannot prevent a freeze event from occurring. User action is required to prevent freeze conditions from causing product and/or property damage.