# Mr. Heater 400,000 BTU Big Maxx Natural Gas Standard Combustion Power Vented Unit Heater with Aluminized Steel Heat Exchanger

**Brand:** [Mr. Heater](https://shop.coreranger.com/brands/Mr.%20Heater)
**SKU:** MHU400NGPALP
**Price:** $2,189 · in stock
**URL:** https://shop.coreranger.com/product/mr-heater-400-000-btu-big-maxx-natural-gas-standard-combustion-power-vented-unit-heater-with-alumini-326884690

## Specifications

| Spec | Value |
|---|---|
| Color | Gray |
| Model # | MHU400NGPALP |
| Features | No Additional Features |
| Room Size | Extra Large |
| Vent Type | Vented |
| Internet # | 326884690 |
| Returnable | 90-Day |
| Heater Type | Vented |
| Store SKU # | 1011015852 |
| Color Family | Gray |
| Control Type | Mechanical |
| Location Use | Garage,Jobsite |
| Ignition Type | Manual |
| Heating Method | Forced Air |
| Indoor/Outdoor | Indoor,Outdoor |
| Power/Fuel Type | Natural Gas |
| Runtime (hours) | 24 hr |
| Product Depth (in.) | 36.10 in |
| Product Width (in.) | 40.40 in |
| Product Weight (lb.) | 288 lb |
| Area Heated (sq. ft.) | 13400 sq ft |
| Manufacturer Warranty | 3 Years parts, 10 year Heat Exchanger |
| Heat rating (BTU/hour) | 400000 Btu/h |
| Number of Heat Settings | 3 |
| Fuel Rate (gallons/hour) | 0 gal (US)/min |
| Portable Heater Features | No Additional Features |
| Fuel Tank Capacity (gal.) | 0 gal |
| Certifications and Listings | ETL Certified |
| Maximum Temperature Setting (F) | 120 °F |

## Description

The Mr. Heater 400,000 Power Vented Unit Heater provides big heat for big spaces. With 400,000 BTU of heat, the heater spreads warmth through factories or warehouses up to 13,400 sq. ft. A fan pulls air from the room to be heated and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with 3 locking positions control the direction of the heat. Work in warmth with the Mr. Heater 400,000 Power Vented Unit Heater.

• Indoor 400,000 BTU forced air natural gas or propane unit heater
• Natural gas garage space heater-heats up to 13,400 sq. ft.
• Ceiling mounted forced air unit heater for garages, barns, etc.