CHAPTER 20
AIR LEAKS
Checking For Air Leaks
Once your HEATMOR™ system is up and running, we recommend that you conduct an
initial check for air leaks from the furnace. To detect an air leak, put some green grass (or
something which will create heavy smoke) into the furnace. When the furnace is smoking,
cover the chimney and turn off the blower and watch for smoke leaks.
Air leaks cause the fire to not burn as hot or efficiently. In result you will use more coal to
achieve the desired water temperature. The HEATMOR™ Outdoor Furnace is designed
with over / under forced drafts and if air leaks occur, it would change the output of the
furnace.
AIR LEAKS INTO THE FIREBOX WILL CAUSE
THE FORMATION OF EXCESS CREOSOTE.
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