
Mr. Heater 300,000 BTU Big Maxx Natural Gas Standard Combustion Power Vented Unit Heater with Aluminized Steel Heat Exchanger
- Provides 300,000 BTU heat output
- Heats up to 10,000 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
- Provides 300,000 BTU heat output
- Heats up to 10,000 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
Original: $2,147.99
-8%$2,147.99
$1,985.99Description
- Provides 300,000 BTU heat output
- Heats up to 10,000 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



















