The 400D is composed of 5052-H32 marine grade aluminum and is available in four standard colors at no extra charge. With the recommended heat and our standard 1.5” (R-9) of polyisocyanurate insulation in the walls and 3” (R-18) in the roof, this enclosure meets ASSE Standard 1060 Class One for freeze protection. This easy to assemble, lockable enclosure also provides vandal protection to backflow preventers, meters, PRVs, and other pumps and valves.
