Mr. Heater F274865 MH18B Big Buddy Portable Heater Massachusetts And Canada Version 4,000-18,000 BTU

• Swivel regulators and single control
• Automatic low oxygen shutoff system
• Accidental tip-over safety shutoff
• Canada, mass approved. Heats up to 450 sq. ft
• The use of un-authorized accessories/attachments with this heater are expressly prohibited
• Fan operates on 4 D batteries or AC adapter, both sold separately
• Run time (maximum BTU): 1.8 hours
• Used in Recreational Enclosures, Construction Sites and Outdoors

The Most Popular Portable Propane Heater in North America. This patented radiant 4,000-18,000 BTU Liquid Propane heater connects directly to two 1 lb. cylinders and is the perfect solution for heating enclosed spaces like cabins up to 450 sq. ft. An integrated fan increases the heating capacity of this unit, blending radiant and convection style heat to give you the best of both worlds. Two swivel regulators give you the ability to adapt usage from disposable cylinders to a remote gas supply with the purchase of a single hose and filter. To light the unit, simply push and rotate the knob. The built in Piezo sparking mechanism will take care of the rest. With the Oxygen Depletion Sensor (ODS) and accidental tip-over safety shut-off, you can be sure that you will enjoy years of comfortable outdoor safe heat. **Please note when operating the heater at altitudes over 7,000 FT above sea level the heater may shut off. Provide minimum fresh air opening of 18 square inch