Marketing InformationWhen performance is critical, the new PowerMax Heater provides peak efficiency and easy maintenance in both indoor and outdoor applications. Seven sizes delivering up to 85% efficiency ratings and meeting all Low NOx requirements. PowerMax Heater is designed for operation to 10,000 foot elevation. • CSD-1 and other options available. Contact factory for part numbers • Reliable operation in natural or propane models • Fan-assisted and filtered combustion air • Dual ignition systems for models greater than 750,000 BTU • Built-in mixing system reduces condensation possibilities • Fits through standard doorways • Gas Supply right or left side • Vent kits must be ordered separately