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Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Heater — 80,000 BTU, Model# MHU80NG
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Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Heater — 80,000 BTU, Model# MHU80NG

Item# 27465

Only $569.99
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Manufacturer's Warranty: 3 year limited warranty

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Product Summary

This Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Heater is quiet and vented for easily heating a 2- to 3-car garage. The low-profile design requires only 1in. clearance from ceiling. Includes two angle brackets for positioning heater up and out of the way.

What's Included

  • (1) Garage/workshop heater

Features + Benefits

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  • Power exhaust allows for vertical or horizontal venting
  • Designed for right or left side piping, electrical and flue connections by simply rotating 180°
  • Tubular heat exchanger and spark ignition
  • Venting kit required (sold separately — Item#s 28794, 28795 vertical mounts; Item#s 29794 horizontal mount)
  • Thermostat sold separately — Item# 173641 Note: Due to BTU loss through exhaust gases, heater runs at approx. 81% operating efficiency. Check local codes and ordinances for approved installation and usage.

Key Specs

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Item#27465
Ship Weight90.0 lbs
Product TypeForced air
Vent-FreeNo
BTU Output80,000
Heating Capability (sq. ft.)1,000
Blower IncludedYes
Blower Power Supply (Volts, Amps)110
Heat SettingsSingle
Fuel TypeNatural gas
Gas Inlet (in.)3/4 in. MPT
IgniterElectronic
Thermostat IncludedNo
Remote IncludedNo
Oxygen Depletion SensorNo
Dimensions L x W x H (in.)29.33 x 15.15 x 23.37

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Product Question + Answer

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Thermostats

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Venting

DuraVent Vent Unit Heater Kit — 4in. Vertical, Model# 0371 DuraVent Vent Unit Heater Kit — 4in. Vertical, Model# 0371
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DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 4UHK-KVNT DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 4UHK-KVNT
Item# 29794
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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
3 year limited warranty

Protect your purchase beyond the manufacturer's warranty
with Service Protection Plus!

DESCRIPTION (Click More Info for details) 1 Year Extension 2 Year Extension
Extended Warranty Repair Plan
Only $69.99
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Only $109.99
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Extended Warranty + Accidental Damage Repair Plan
Only $99.99
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Only $169.99
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Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Heater — 80,000 BTU, Model# MHU80NG The price is $569.99.
Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Heater — 80,000 BTU, Model# MHU80NG
(Not Yet Rated - New)
Item# 27465
In Stock Online
Only $569.99
Hide Similarities
Product Type Radiant heat Radiant heat Convection heater Radiant heat Forced air
Vent-Free No No No Yes No
BTU Output
25,000 40,000 45,000 60,000 80,000
Heating Capability (sq. ft.) - 750 - - 1,000
Blower Included No No Yes No Yes
Blower Power Supply (Volts, Amps) - - 120 - 110
Heat Settings - - - - Single
Fuel Type Natural gas Natural gas Natural gas or propane using included conversion kit Natural gas Natural gas
Gas Inlet (in.) - - 3/8 - 3/4 in. MPT
Igniter - Pilot light Hot surface igniter Pilot light Electronic
Thermostat Included Yes Yes Yes Yes No
Remote Included No No No No No
Oxygen Depletion Sensor No - - - No
Dimensions L x W x H (in.)
29 3/4 x 12 1/4 x 7 - 12 5/8 x 25 1/4 x 24 13/32 - 29.33 x 15.15 x 23.37