Mr. Heater 250,000 BTU Big Maxx Natural Gas Standard Combustion Power Vented Unit Heater with Aluminized Steel Heat Exchanger
Item # 233750699
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Item # 233750699
Valid 5/11/2026 - 7/5/2026Apply now
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37027
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Neighbor’s Club Members earn points with purchases.
The Mr.Heater 250,000 Power Vented Unit Heater provides big heat for big spaces. With 250,000 BTU of heat, the heater spreads warmth through factories or warehouses up to 8,400 square feet. 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 three locking positions control the direction of the heat. Work in warmth with the Mr.Heater 250,000 Power Vented Unit Heater.
For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.
Looking for more information on heaters? Check out our guide on heaters in the product documents section.
- Provides 250,000 BTU heat output
- Heats up to 8,400 sq ft
- Performs at 82% thermal efficiency
- Designed with an aluminized steel heat exchanger
- Ships equipped for natural gas (LP conversion kit sold separately)
- Air louvers with three locking positions to change direction of heat
- Easily installs using 3/8 in - 16 tpi threaded rods (sold separately)
- ETL Certified
| Brand | Mr. Heater |
|---|---|
| Country of Origin | Imported |
| Assembly Required | Partial |
| Cabinet or Housing Material | Steel |
| Finish | Powder-Coated |
| Heater Area Heated | 8500 Sq ft |
| Heater Features | Electronic Ignition |
| Installation Type | Ceiling mount |
| Heater Maximum BTU Heat Output Range | 140,000 or more |
| Heater Style | Compact |
| Heater Type | Forced Air |
| Indoor/Outdoor | Indoor |
| Intended Use Grade | Commercial, Industrial |
| Maximum BTU Heat Output | 250,000 BTU |
| Number Of Heat Settings | Variable |
| Power Type | Natural gas |
| Product Height | 34.5 in. |
| Product Length | 41.75 in. |
| Product Weight | 224 lb. |
| Product Width | 36.75 in. |
| Run Time | 24 hr. |
| Warranty | 3 year limited warranty on parts (1 year in high humidity or caustic environments) ; 10 year limited warranty on aluminized steel heat exchanger (5 years when installed in corrosive environments) |
| Manufacturer Part Number | F263064 |
Q: When converted to LP what is a gas use per hour?
4 months ago- A: Thank you for your inquiry. This heater will burn about 12.5 lbs/hr of propane while it's running. Have a great day!4 months agoHelpful?
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