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Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Radiant Heater

4.5 out of 5 stars 2,208 customer reviews
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Amazon's Choice for "propane heater"

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  • 4,000- to 9,000-BTU radiant heater for spaces up to 225 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.
  • Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
  • Fold-down handle; swivel-out regulator; connects to propane tank (not included)
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
50 new from $67.84 3 used from $64.60
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Frequently bought together

  • Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Radiant Heater
  • +
  • Mr. Heater Buddy Series Hose Assembly - 10-ft., Model# F273704
  • +
  • Mr. Heater  Fuel Filter for Portable Buddy and Big Buddy Heaters #F273699
Total price: $104.19
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From the manufacturer

Portable Buddy

With a larger heating surface, fold-down handle, swivel-out fuel connection, and an easy-start four-position control, Mr. Heater sets the new standard for portable radiant heating comfort. With its low-oxygen shut-off and tip-over safety shut-off systems, this heater provides safe, reliable heat anytime, anywhere.

How Much Heat Do You Need?

You can calculate the amount of BTUs required by using the following method: Measure the space’s dimension to determine cubic feet. (Length x Width x Height = Cubic Feet). Subtract the outside temperature from the desired inside temp to determine the temperature increase. If you have measured temperature in Fahrenheit, calculate the required BTUs with this formula: (Cubic Feet x Temperature Increase x .133 = Required BTUs) If you have measured temperature in Celsius, calculate the required BTUs with this formula: (Cubic Feet x Temperature Increase x .2394 = Required BTUs).

Mr. Heater Portable Buddy Features:
  • Two heat settings: 4,000 & 9,000 BTU/HR
  • Fold-down handle reduces storage space
  • Four position control with built-in Piezo igniter off and lo/hi heat settings
  • High temperature wire guard
  • Swivel regulator for easy LP cylinder and hose installation
  • Large durable porcelain coated heating surface directs radiant heat over wider area
  • Low-oxygen safety shut-off (ODS) and tip-over safety shut-off
  • Ceramic burner tile mounted with shock absorbing insulation for durability and easy replacement

MH4B

MH9BX

MH18B
Heats up to 3,800 BTU/HR
Heats up to 4,000-9,000 BTU/HR
Heats up to 18,000 BTU/HR
Use hoses F273701 and F273702 with F273699 Fuel Filter
Use hose F273704

Product description

Package Quantity:1

North America's Most Popular Portable Propane Heater! This patented radiant 4,000-9,000 BTU Liquid Propane heater connects directly to a 1 lb. cylinder and is the perfect solution for heating enclosed spaces like large tents up to 200 sq. ft. The expertly engineered size to BTU ratio is augmented with a fold down handle to give this heater maximum output while retaining a minimalistic footprint. A swivel regulator gives you the ability to adapt usage from a disposable cylinder to a remote gas supply with the purchase of a hose and filter. To light the unit, simply rotate the knob to pilot and push. Then 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.*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.**


Product information

Package Quantity:1

Technical Specification

Warranty & Support

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

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Compare with similar items


Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Radiant Heater
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Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (2208) 4 out of 5 stars (30) 4 out of 5 stars (180) 4 out of 5 stars (267)
Price $69.84 $93.91 $29.95 $34.92
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Item Dimensions 14.17 x 8.97 x 14.37 in 14.37 x 8.97 x 14.17 in 7 x 8.75 x 13 in 11 x 9.75 x 17 in
Item Weight 9.5 lbs 9.5 lbs 0.95 lb 1 lb

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