This 18" x 9" x 24" WattsBox insulated enclosure designed for pressure vacuum breakers. It protects backflow prevention assemblies that are subjected to freezing conditions. The enclosure consists of fiberglass construction, providing access through lockable doors and/or a hinged lid for testing and certification purposes. It has a means for a permanent anchor and is completely removable for maintenance purposes. It has drain openings that are protected against severe weather conditions. Thermostatically protects to minus 30 degree F (minus 34 degree C).

• Aluminum enclosure
• An economical alternative to expensive retrofit installations
• Lightweight
• Vandal resistant