April 26, 2007
What happens if the outdoor combustion air intake is not weathertight?
What happens if the outdoor combustion air intake is not weathertight?
Expert
Maestro
The intake should be sealed to prevent moisture leakage into the building and air leakage out of the building.
Poor installation or maintenance is the cause of this problem. Water and air leakage are the implications.
When outside the building, check that the duct is well sealed where it passes through the wall.
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