The Mr. Heater Little Buddy is North America’s most popular portable propane heater. This patented radiant 3,800-BTU liquid propane heater connects directly to a 1-lb. cylinder (not included) and is the perfect solution for heating small enclosed spaces like tents up to 95 sq. ft. The included base takes up little space, and the integrated handle makes this heater easy to transport. To light the unit, simply push and hold the ignition button and the integrated 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 indoor safe heat.
• 3,800 BTU per hour
• For use with propane gas
• Heats up to 95 sq. ft.
• One button ignition
• 8″ round stand uses little floor space
• Accidental tip-over safety shut-off
• Automatic low oxygen shut-off system (ODS)
• Connects directly to one 1-lb. disposable propane cylinder (not included)
• Quiet, clean, odor-free operation
Specifications
Model: MH4B
Heating Area: 95 sq. ft.
Run Time: 5.6 hours
Max. Elevation: 7,000′
Weight: 5.85 lbs.
Dimensions: 12″H x 9.75″W
Before You Order
Verify part number F215100 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify F215100 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.










