What about the air leak in the flue?
There are many kinds of problems. See where they leak. If the valve leaks, it is necessary to remove the ceiling to check the valve. If there is an air leak in the flue, it is necessary to repair the leak.
There are many kinds of problems. See where they leak.1, if the valve leaks, you need to remove the ceiling to check the valve.2, if the flue leaks, it is necessary to repair the loopholes.
When you want to see what kind of flue air leakage, the division of the usual general exhaust flue or kitchen flue, if the kitchen smoke exhaust, air leakage will be repaired immediately. To make, it is not can replace the exhaust pipe.
