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Product Summary

This Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Unit Heater is quiet and vented for easily heating a 2- to 3-car garage. The low-profile design requires only 1in. clearance from the ceiling (two angle brackets are included). Big Maxx features power exhaust for vertical or horizontal venting. Use right or left side piping, electrical and flue connections by simply rotating 180°. Big Maxx includes an aluminum tubular heat exchanger for maximum efficiency and longer life. Handy extras include spark ignition with a self-diagnostic control module and easy outside access to the thermostat and AC terminals. Works with Thermostat sold separately, Item# 173,641. Note: Installation requires an 8ft. clearance from the floor and will not pass code with less than 8ft.

What's Included

    (1) Mr. Heater Big Maxx Natural Gas Garage/Workshop Unit Heater, Model# MHU80NG, (1) LP conversion kit

Key Specs

AttributeSpecification

item#

27465

Brand

Mr. Heater

Manufacturer's Warranty

3 year limited warranty

Ship Weight

88.0 LB

Heat Output

80,000 Btu/hour

Heat Type

Forced Air

Heating Capability

2,667 ft²

Needs Direct Venting

Yes

Blower Included

Yes

Blower CFM

950 cfm

Amps

2.3
AttributeSpecification

Thermostat Included

No

Remote Included

No

Phase

Single-phase

Volts

120

Watts

276

Oxygen Depletion Sensor

No

Fuel Consumption

0.88 GPH

Hardwired

Yes

Product Weight

77.2100 lb

Dimensions L x W x H (in.)

24.57 x 18.07 x 25.51 in

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Warranty

Manufacturer's Warranty

3 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Repair Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.