Flammable Vapor Resistant/Direct Vent Sealed Combustion System
Thru-the-wall/thru-the-roof venting of combustion products.
Air for combustion is drawn from outside the building.
Durable, Ultra-Low NOx Burner Construction
Non-CFC Foam Insulation
The tank is surrounded by a thick coat of non-CFC polyurethane foam to trap heat inside the tank, saving energy.
With factory-preset pressure regulator and built-in millivolt-powered energy cut-off for overheat protection.