coal heater

Product Description

1.Use the design of special three return trip, automatically clean the dust in exchanger； 2.With auto-alarm function and auto protection set； ***** blower can open and stop automatically(manually)； 4.Automatically control the air volume and hot air output and the ambient temperature； ***** temperature control system have two kinds: computer control and digit contro； 6.Unique design of whole heat preservation heat insulation the lowest heat wastage； ***** firebox has been specially designed with long service life which can apply various coal. Thermal efficiency as high as *0%； 8.he heating machine uses latest indirect heating technology that with burning and heat exchange a body, heat exchange with temperature part of furnace body； 9.Smoke and air walk in their own ways, no heating pollution