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40,000 BTU High Intensity Radiant Garage Heater (Natural Gas) (MH40NG / F272800)

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SKU: F272800


99.9% Efficiency - that is what the Mr. Heater 40,000 BTU Natural Gas High-Intensity Radiant Heater offers. This heater gives you odour-free and quiet heat, and is a great option for keeping warm and toasty on the patio, or in large ventilated garages and other buildings with 12 to 15 ft ceilings.

Utilizing a unique power pile thermocouple to control the valve, there is no electricity required. Just hook-up the included millivolt thermostat with the appropriate wire - not included - then mount the heater to the wall, make the gas connection, and you are ready to go.

  • 40,000 BTU per hour
  • For use with natural gas on patios and in large, well-ventilated garages and workshops
  • Heats up to 1000 sq. ft. (outdoor use only)
  • For use in buildings with 12 to 15 ft ceilings
  • Efficient infrared heat that directly heats people and objects which in turn heats surrounding air to desired temperature
  • Includes adjustable thermostat for individually controlled warmth and all necessary brackets and hardware
  • No electricity required
  • Easy to install
  • No moving parts to service
  • Quiet, clean, odour-free operation
  • Non-corrosive materials used throughout construction


ModelMH40NG (F272800)
Heating Area (Sq Ft)850
Tank Capacity (Min)40# Propane Cylinder
Weight28.2 lbs
DisclaimerDo not use in sleeping quarters, mobile homes, or recreational vehicles. For elevations above 2,000ft ratings should be reduced at the rate of 4% for each 1,000ft above sea level or as specified by local authority having jurisdiction.
UseLoading Docks, Warehouses, Factory Production and Assembly Areas, Animal Pens and Stalls, Automotive Repair Shops, Sporting Arenas, Public Entranceways
Warranty1 Year Limited
Fuel TypeNatural Gas
Heat TypeRadiant
Indoor SafeYes
IgnitionMatch Lit

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