I would like to get an Aprilaire 1750A and run it separately from HVAC.

Friday, December 9, 2011 by Aprilaire Team
Consumer question:

I would like to get an Aprilaire 1750A and run it separately from HVAC. I want the dehumidistat to have a digital readout with the usual on/off and push button up/down of humidity setting. Which dehumidistat? Model #70? Model #75? What's the difference? Another model?

Aprilaires' response:

Thank you for contacting us with regards to our model 1750A Dehumidifier. Models 70 and 75 will each work with this model. The difference lies in how the controls sense humidity and how they use that information to create a set point. The model 70 sends humidity, temperature and set point values to the dehumidifier for it to use in determining if humidity is too high. The 75 works with a simple 2-wire signal to turn the dehumidifier on and off. This is a simpler control and works the way most other manufacturers' de-humidistats will work.

Please let us know if we can be of further assistance.

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