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Mr. Heater F274800 MH18B, Portable Propane Heater,Red,Regular

4.5 out of 5 stars 2,311 ratings

Available from these sellers.
Red
Color Red
Brand Mr. Heater
Power Source Propane
Heating Method Radiant
Item Dimensions LxWxH 18.5 x 18 x 11.4 inches

About this item

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  • 4,000- to 18,000-BTU radiant heater for spaces up to 450 square feet. Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient
  • When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off. Maximum Hours Of Operation- 220.0
  • Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
  • Low, medium and high heat level control knob for steady temperatures; connects to propane tank (not included). Note- Due to recent governmental changes to import tariffs, Mr. Heater has removed the fan on some models of the Mr. Heater Big Buddy (MH18B).
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
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Mr. Heater MH18B Propane Heater, Red
$199.99
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Sold By Available from these sellers Wright Implement BARONI Lifestyle by Focus
Color Red Red
Item Dimensions 18.5 x 18 x 11.4 inches 25 x 24 x 18 inches 9 x 14 x 14.5 inches

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Product information

Color:Red

Technical Details

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Product guides and documents

User Manual [PDF ]
Other Content [PDF ]

Product description

Color:Red

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 indoor safe heat.*WE ARE NOT ABLE TO SELL THIS PRODUCT TO CANADA AND MASSACHUSETTS* **Please note when operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.**


Customer Questions & Answers

Customer reviews

4.5 out of 5 stars
4.5 out of 5
2,311 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on February 3, 2017
Color: RedVerified Purchase
Customer image
4.0 out of 5 stars Works great, but read the directions carefully!!!
By J. Sollien on February 3, 2017
This heater is great once you learn how to use it. It's not as easy as just turn a knob, there's a process to it. However, once you learn it it works great. We have a 25lb propane tank hooked up to it with the hose kit accessory. If you're going this route, ensure you release the gas out of the gas line before turning it off. Otherwise the seals will wear out and it won't last very long. You can do this by simply turning off the gas propane tank FIRST and letting the heater burn off the gas until it goes out. Then rotate it to the off position and it's good to go. The kit hooks up perfectly and easily inside the unit where the small green cylinders usually go.

I knocked off a star because of the fan feature. It has just an on and off setting. I don't recommend using batteries because they don't last long (8hrs max) and it's very quiet, so it's easy to forget that it's on even after turning it off. Suggestion: add some sort of timer feature to the on off switch. Just a thought. You can also purchase an AC adapter and just forget about the batteries. That said, the fan isn't very powerful so I'm not sure how useful it is anyways.

One last tip: if you're using a 25lb gas propane tank, you only need to turn the value on the tank about 3/4 to one full turn. Do not turn it all the way on! The extra pressure gets exhausted somewhere and you can smell the propane. It's also a waste of propane.
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290 people found this helpful
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Reviewed in the United States on December 10, 2014
Color: RedVerified Purchase
350 people found this helpful
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Reviewed in the United States on February 1, 2016
Color: RedVerified Purchase
58 people found this helpful
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Top reviews from other countries

Pepito Cahouette
1.0 out of 5 stars MH18B is NOT for Interior Use - Misleading Sales Info.
Reviewed in Canada on January 13, 2021
Color: RedVerified Purchase
Customer image
1.0 out of 5 stars MH18B is NOT for Interior Use - Misleading Sales Info.
Reviewed in Canada on January 13, 2021
I dont' care what the (fake?) reviews say, first the box claims this is for exterior use, not indoor, and second the first page on the manual is very clear, see picture. I'm not paying 370CAN for a unit I can get 150CAN at Canadian Tire. This was to be used indoors anyways. Returning the item, which I suspect was already a returned item.
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5 people found this helpful
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Uriel
3.0 out of 5 stars Buen Producto, información incorrecta
Reviewed in Mexico on November 25, 2019
Color: RedVerified Purchase
One person found this helpful
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RITA J WINSLADE
4.0 out of 5 stars Very effective
Reviewed in Canada on December 30, 2016
Color: RedVerified Purchase
3 people found this helpful
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Amazon Customer
5.0 out of 5 stars Wooowww!! Very effective in my tiny house with ...
Reviewed in Canada on January 26, 2017
Color: RedVerified Purchase
5 people found this helpful
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Yvonne Johnson
5.0 out of 5 stars Awesome little heater.
Reviewed in Canada on December 27, 2018
Color: RedVerified Purchase
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