Looking to replace my Aprilaire Model 110. I want to replace my 110 unit with a 100 unit. Is there a lot different in the installation?

Tuesday, March 1, 2011 by Aprilaire Team
Consumer question:

Looking to replace my Aprilaire Model 110.  I want to replace my 110 unit with a 100 unit. Is there a lot different in the installation?


Aprilaires' response:

Thank you for contacting us about your interest in replacing your older 110 humidifier. Although we do not make the 110 any longer, we also do not have a 100 model either. The closest model would be a 700 power humidifier. The plenum opening sizes are different and the original hole will need to be patched an re-cut. Also, the control is different and will require a different size cut out on the return duct. Wiring this may be different depending on if you go with the manual or automatic version.

Our unit comes with a 5 year warranty if installed by a licensed HVAC dealer. If not, this warranty is voided. I would recommend contacting your local HVAC dealer for assistance. If you would like a list of preferred dealers, please visit www.Aprilaire.com and enter your zip code in the upper right corner.

Comments for Looking to replace my Aprilaire Model 110. I want to replace my 110 unit with a 100 unit. Is there a lot different in the installation?

Wednesday, March 16, 2011 by George Schneider:
If replacing a 110 controlled automatically (outside thermometer) with a 700A, would chnages to the wiring be needed?
Monday, April 18, 2011 by Jeff Michel:
I also own an Aprilaire Model 110 and although it appears to be in working order, I cannot find any information to verify if it is to be installed on the hot or cold side. I have verified that the blower motor is receving power, and I do have water flow, however, it was installed on the cold side and I'm having trouble identifying if it actually working or not. We recently moved into this house and are starting to address some of the issues that we've found. Any help is much appreciated.
Monday, April 18, 2011 by Jeff Michel:
I also own an Aprilaire Model 110 and although it appears to be in working order, I cannot find any information to verify if it is to be installed on the hot or cold side. I have verified that the blower motor is receving power, and I do have water flow, however, it was installed on the cold side and I'm having trouble identifying if it actually working or not. We recently moved into this house and are starting to address some of the issues that we've found. Any help is much appreciated.
Wednesday, December 28, 2011 by Bryan:
I have a non working model 445 and want to replace it with a new unit. What do you recommend I replace it with? Thank you for your time.

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