Backflow Box Heater/No Heater:Without Heater The 400TD-AL enclosure is easy

The 400TD-AL enclosure is easy to set up

underground parking

The 800D-AL enclosure is easy to set up

This cover is constructed from marine-grade aluminum

Backflow Box Heater/No Heater:Without Heater The 400TD-AL enclosure is easyThe Backflow Box is an American made back flow enclosure features a lift off design for maximum accessibility, and comes with an ASSE Standard 1060 compliant drain flap. It is recommended to add the Chromalox Heat Cable #30 with 90W of heat to protect from freezing temperatures. This enclosure is made from marine grade aluminum, polyisocyanurate foam insulation board, and a glass fiber reinforced facer on each side. The enclosure is easy to set up,