Mr. Heater 300,000 BTU Big Maxx Natural Gas Unit Heater with NG to LP Conversion Kit
Description
The Mr. Heater Big Maxx 300,000 BTU Natural Gas Unit Heater delivers powerful forced-air heating for workshops, garages, barns and large commercial spaces needing year-round climate control. Engineered for efficiency in demanding environments, this high-performance unit converts cold spaces into comfortable areas with its built-in high-velocity fan that pulls cool air across the heat exchanger before distributing warm air. The low-profile design requires only 10 ft ceiling clearance and 1-inch mounting space, suitable for various installations. A safety system includes high-temperature shut-off, gas safety shut-off flame sensor, and electric spark ignition with self-diagnostic control for reliable performance in industrial and agricultural settings. Factory-configured for natural gas with included propane conversion kit for installation flexibility.
Features
- Powerful 300,000 BTU output heats up to 4,507 sq ft
- Built-in high-velocity electric fan for efficient heat distribution
- Low-profile design requiring 10 ft ceiling height and 1-inch mounting clearance
- Safety system with temperature shut-off and flame sensor
- Dual-fuel capability with included natural gas to LP conversion kit
- Engineered for workshop, garage and agricultural industrial-grade heating