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4,000/9,000/18,000 BTU Big Buddy (Mass./Canada Version) No Fan, Outdoor Only (MH18B / F274806)

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SKU: F274806

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Current Stock: 49


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 up to 450 sq. ft. 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.

  • 4,000, 9,000, or 18,000 BTU per hour
  • For use with propane gas
  • Heats up to 450 sq. ft.
  • Single control start knob
  • Hi-Med-Low heat settings
  • Swivel regulators
  • Automatic low oxygen shut-off system (ODS)
  • Accidental tip-over safety shut-off
  • Connects to two 1 lb. cylinders
  • Connects to a 20 lb. cylinder with optional hose


ModelMH18B (F274806)
Heating Area (Sq Ft)450
Tank Capacity (Min)2 x 1# Propane Cylinder
Weight17.1 lbs
DisclaimerFor use in Massachusetts or Canada Only. Not for sale in California. Outdoor use only.
UseRecreational Enclosures, Construction Sites and Outdoors
Warranty1 Year Limited
Safety Tip-Over SwitchYes
Fuel TypePropane
Heat TypeRadiant
Oxygen Depletion Sensor (ODS)Yes
Indoor SafeNo

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