Backflow Enclosure - 800-AL - 3 Doors - Safe-T-Cover Heater/No Heater:Without Heater Perminator is a premium underslab

Perminator is a premium underslab vapor barrier

The manufacturer

These heaters meet the requirement of ASSE 1060 Class 1 for use as freeze protection

It has enough power to collect staples

Backflow Enclosure - 800-AL - 3 Doors - Safe-T-Cover Heater/No Heater:Without Heater Perminator is a premium underslabThis American made backflow enclosure features a three door design. It is recommended to add the HCHS1000 120 Heater with 1000W of heat to protect from freezing temperatures. This enclosure is made from marine grade aluminum, and polyisocyanurate insulation. The 800 AL enclosure is easy to set up, lockable, and provides protection against vandalism to backflow preventers, meters, and other pumps and valves. This enclosure meets ASSE Standard 1060