SF3500 is a powerful hot air furnaces with broad heat output range. These hot-air furnaces are built
to provide consistent temperatures throughout your entire home, and feature automatic blowers and advanced filtering systems.
- 170,000 BTUs
- Harman Grate System extends heating by completely burning fuel to fine ash
- Spiral chamber ensures consistent heat levels
- 27″ maximum log length / pea, nut or stove-sized coal