Aprilaire 700 installation question


Old 12-14-14, 08:36 AM
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Aprilaire 700 installation question

I'm looking at buying and installing a Aprilaire 700 humidifier, but I have run into a bit of a stumbling block.

All the supply and return ductwork is fiberglass duct board, so I have no solid metal anywhere to properly mount the humidifier.

What are my options or do I have none?
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Old 12-14-14, 09:57 AM
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Not an HVAC pro but could you replace some of the fiber duct with metal?
Old 12-14-14, 12:01 PM
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I'm also not an expert, but I think you should be able to rivet metal strips to make a frame of sorts on the inside surface of the plenum. Then screw the unit to it.
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