This 1 inch small diameter double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and/or backpressure, in accordance with national plumbing codes and water authority requirements.

Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance.

Features

• Bronze body construction for durability.
• Union end connections for easy installation.
• Quarter turn ball valve shutoffs for reliable control.
• Top mounted test cocks for simplified testing.
• Two in-line independent positive seating check modules.
• Captured springs and replaceable check discs and seats for easy maintenance.

Freeze Sensor & Alerts

• Includes a freeze sensor for use with SentryPlus Alert® technology to signal facility personnel when temperature nears and reaches the freezing point.
• Freeze alerts feature available with an add-on connection kit (sold separately) for Wi-Fi networks, building management systems (BMS), and irrigation management systems (IMS).
• The freeze sensor is installed on the assembly exterior and does not alter assembly functions or certifications.

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. Before installing, consult your local water authority, building, and plumbing codes.

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.