Mr. Heater 50,000 BTU Big Maxx Natural Gas Unit Heater with Natural Gas to Liquid Propane Conversion Kit
Mr. Heater 50,000 BTU Big Maxx Natural Gas Unit Heater with Natural Gas to Liquid Propane Conversion Kit
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Mr. Heater 50,000 BTU Big Maxx Natural Gas Unit Heater with Natural Gas to Liquid Propane Conversion Kit

4.2 stars out of 26 reviews
(4.2)|
26 ratings

Key item features

  • Powerful Heating: Natural gas heater with 50,000 BTU output, ideal for heating up to 1,667 square feet in garages, barns, or workspaces.
  • Versatile Operation: Self-diagnostic control module allows for precise temperature settings and versatile operation.
  • Quiet Performance: High-velocity fan operates quietly, pulling cool air over the heat exchanger and distributing warm air efficiently.
  • Easy Installation: Includes mounting brackets, external power access, and thermostat connections for straightforward installation.
  • Safety Features: Equipped with a heat safety limit shutoff to prevent potential accidents.
  • Dual Fuel Capability: Can operate on natural gas or propane, with a conversion kit included for flexibility.
  • Compact Design: Dimensions of 14.87 x 29 x 26 inches and a weight of 70 pounds, requiring a minimum 8-foot clearance from the floor.
  • WiFi Compatible: Accepts WiFi thermostats for modern, convenient temperature control.
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4.2 out of 5 stars
stars26 ratings12 reviews
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Showing 1-3 of 12 reviews

Aug 25, 2025
Mary
Item details
Size: 24" x 25.5" x 13"
Sold and shipped byNorthern Tool + Equipment
5 out of 5 stars review

Verified Purchase

liked it .. will serve my needs .. just wish the ventilation kit had been included with it . Now have to order it separate.

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Mar 17, 2026
tim
Item details
Size: 24" x 25.5" x 13"
5 out of 5 stars review

Verified Purchase

Big heater

Awesome machine warms my shop nice

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Dec 14, 2025
Courtney
Item details
Size: 24" x 25.5" x 13"
Sold and shipped byNorthern Tool + Equipment
5 out of 5 stars review

Verified Purchase

Didn't come with anything to hook it up with. Overall it heats fast and well

Incentivized Review
Helpful?6YV99YIE3U9X37902470