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HVAC - Quick Bypass Damper Tutorial

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Published on May 26, 2010

This is a quick fix with very little griping. It's in a new home that happened to be the ONE house in the phase that was duct-tested by an independant contractor. After the repair, the stuporintendant showed me the paperwork generated by the tester. This zone system was putting out about 60% of the air to the supply registers that it was designed to move. The rest was being dumped directly in the return plenum via the poor bypass damper install. The system suffered no damage and the dog is o-o-o-o-kay!

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