Quote:
Originally Posted by davidmurphy02
My goal was to keep the big stuff out and not restrict air flow
So I removed the black plastic furnace grate, cut off the zip ties holding the flexible vent on, and removed the vent. Then I removed the wood frame covering the hole. I considered stapling the screen material to the back of the wood frame, but was concerned the staples might splinter the oak. It was actually easier to staple the screen to the paneling / soft wood below just around the edge of the hole. I cut a round hole in the center just the size of the flexible vent. Then I pulled the vent through the hole - very carefully, there is just enough room to pull it several inches through to work it onto the flange on the back of the plastic grate and zip tied it securely in place. Two screws and the plastic grate is back and it's done. If you ever needed to access the furnace for repair, easy enough to just cut off the screen with a utility knife and staple a new piece up afterward.
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That's just how I did it also.
In your first picture listed note the reduction in inside diameter of the flexible duct, I changed the flex duct for a pipe to maintain full diameter and airflow
Post #3 in this thread
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