Somehow I volunteered to help my SIL out and switch his over-the-range microwave with hood exhaust to vent the air to the outside rather than back into the kitchen over a charcoal filter.
We found a parts diagram on line (it's a GE) and there is a 3-1/2 x 10 adapter that attaches to the microwave to feed into 3-1/2 x 10 rectangular ducting. This adapter has a damper which I don't think is spring loaded.
The microwave is mounted on an exterior wall and I have found a 3-1/2 x 10 wall cap (made by Broan) that will work just fine (I think). This wall cap also has a damper which is closed by a very weak spring.
I suppose if the blowers in the microwave have enough force, having two dampers would not hurt, but then what do I know.
My question is:
Should I remove one of the dampers and if so which one?
We found a parts diagram on line (it's a GE) and there is a 3-1/2 x 10 adapter that attaches to the microwave to feed into 3-1/2 x 10 rectangular ducting. This adapter has a damper which I don't think is spring loaded.
The microwave is mounted on an exterior wall and I have found a 3-1/2 x 10 wall cap (made by Broan) that will work just fine (I think). This wall cap also has a damper which is closed by a very weak spring.
I suppose if the blowers in the microwave have enough force, having two dampers would not hurt, but then what do I know.
My question is:
Should I remove one of the dampers and if so which one?
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