VisionPRO IAQ 7-Day Programmable Comfort System

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Old 11-28-12, 07:19 AM
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VisionPRO IAQ 7-Day Programmable Comfort System

Question is this. With this honeywell IAQ there are three different models numbers YTH9421C1010, YTH9421C1002, TH9421C1004.
What is the difference in the model numbers?
Is one model number better then the rest?
I want it to run my Lennox Heat Pump/AC. I also have a UV light and outside thermometer. I am going to install a whole house humidifer on it.
Whole house humidifer is more then likely going to be an Aprilaire not yet sure on model.

Thank you for your help
Travis
 
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Old 11-28-12, 10:44 AM
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What is the difference in the model numbers?
In a word, features. It appears only the 1010 has "armchair programming" which I take to mean a remote programming control. And so on.
If you do a search for "Honeywell <modelnumber>", you will turn up pages that list everything you're asking about.
 
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Old 11-28-12, 08:51 PM
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1004 is just the touch screen nothing else.
1002 is touch screen and EIM.
1010 is touch screen, EIM, and remote sensor.


I'd suggest 1010 if you want to get an out door temp readin, also the remote sensor is great for HP system, and humidifier humidity control in the winter.
 
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Old 11-29-12, 09:20 AM
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Thanks for the answers Jay
 
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