| FSH-B type automatic coal burning heating machines |
 Use the design of special three return trip, automatically clean the dust in exchanger； |
| With auto-alarm function and auto protection set； |
| The blower can open and stop automatically(manually)； |
| Automatically control the air volume and hot air output and the ambient temperature； |
| The temperature control system have two kinds: computer control and digit contro； |
| Unique design of whole heat preservation heat insulation the lowest heat wastage； |
| The firebox has been specially designed with long service life which can apply various coal. Thermal efficiency as high as 90%； |
| The heating machine uses latest indirect heating technology that with burning and heat exchange a body, heat exchange with temperature part of furnace body； |
| Smoke and air walk in their own ways, no heating pollution |
