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Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater

3.7 out of 5 stars 55 customer reviews

List Price: $499.99
Price: $436.28 & FREE Shipping. Details
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  • Easy outside access to thermostat and A/C terminals and gas connection
  • Limited 3 year warranty on parts and burners;Minimum 8 ft clearance from floor to base of heater required .
  • Powered exhaust allows for vertical or horizontal venting
  • Natural Gas to Liquid Propane conversion kit included
  • 50,000 BTU per hour heats up to 1250 sq. ft.
6 new from $398.29 1 used from $403.56
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Frequently bought together

  • Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
  • +
  • Mr. Heater Thermostat for Heater
  • +
  • Mr. Heater One-Stop Universal Gas-Appliance Hook-Up Kit
Total price: $487.19
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  • Buy Used and Save: Buy a Used "Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Un..." and save 19% off the $499.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

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From the manufacturer

Product description

If you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source. This 50,000 BTU Natural Gas Unit heater is the way to go. It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas. These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions. With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch. With the Durable Spark ignition and robust factory standard self-diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger. This heater offers the operating versatility and safety that you have come to expect from Mr. Heater.


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Customer Rating 3 out of 5 stars (55) 4 out of 5 stars (19) 4 out of 5 stars (38) 4 out of 5 stars (56) 4 out of 5 stars (2) 3 out of 5 stars (7)
Price $436.28 $599.99 $28.41 $629.58 $439.88 $333.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping $95.75 FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Climatedoctors Amazon.com
Item Dimensions 18.5 x 25 x 17 in 27.55 x 30.31 x 22.04 in 1.25 x 3 x 3.25 in 12 x 26 x 16.5 in 26 x 29 x 15 in 13.5 x 37 x 6.5 in

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