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Old 12-05-2009, 02:20 PM   #1
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Installation of Furnace Humidifer


I'm about to install a Honeywell flow-through humidifer and have a two questions. 1) Does it matter whether it goes on the supply (warm) or return plenum. The instructions say suppy, but I've read others prefer it on the return; and 2) If I install on the suppy plenum, how much higher than the air conditioner coils should I go? I can maybe go a few inches, but that's all. Insight appreciated.

JF

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Old 12-05-2009, 04:02 PM   #2
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Installation of Furnace Humidifer


Is it a bypass, or power humidifier.

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Old 12-05-2009, 05:21 PM   #3
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Installation of Furnace Humidifer


We put them on the return. Some day the drain line will plug and water spilling down the return is a whole lot better then water in the furnace.
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Old 12-05-2009, 06:20 PM   #4
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Installation of Furnace Humidifer


I put them on the return. If the plenum overheats it won't warp/melt the plastic housing. Continuous heat on the plastic eventually deteriorates them.
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Old 12-06-2009, 10:48 AM   #5
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Installation of Furnace Humidifer


Quote:
Originally Posted by beenthere View Post
Is it a bypass, or power humidifier.
It's a bypass - see link

http://www.homedepot.ca/webapp/wcs/s...owreviews=true
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Old 12-06-2009, 10:51 AM   #6
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Installation of Furnace Humidifer


Makes no difference then(as far as humidifying your home). Since either way warm air will be blown through the pad.

It is safer on the return since as others said. lessens teh chance of water being dripped or pouring on your heat exchanger.

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