Fuel: NG or LP
Heating Capacity*: N/A
BTU Input High 35: Natural gas 33,000 - Propane 31,000
BTU Input Low 35: Natural gas and Propane 23,500
BTU Input High 40: Natural gas 41,500 - Propane 39,000
BTU Input Low 40: Natural gas 28,400 - Propane 30,700
Canadian Energy Guide 35: Natural gas 51.61% - Propane 53.63%
Canadian Energy Guide 40: Natural gas 58.82% - Propane 61.7%
Venting: 4.5" x 7.5" Direct Vent
Steady State Efficiency 35**: Natural gas 70% - Propane 71%
Steady State Efficiency 40**: Natural gas 70% - Propane 71%
Blower CFM: 6 speed
Product Dimensions: See product brochure or product specification on Specs tab
Approximate Weight: N/A
Warranty: 20 year limited
Electrical: Blower motor AC 120 Volts 60 Hz

*Square-feet heating capacities are approximations only. Actual performance may vary depending upon home design and insulation, ceiling heights, climate, condition and type of fuel used, appliance location, burn rate, accessories chosen, chimney installation and how the appliance is operated.

** Efficiency varies slightly with various pipe configurations.