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Can you give me complete model from inside furnace in burner compartment so I can provide guidance with this specific unit.Model will be on a label just above burners on right or left inside panel
Would you like to still try this, I just seen this question post?
I can help you probably pretty cheaply.
I'm so sorry this just popped up saying you responded.
Let's see what we can come.up with.
So the aprilaire humidifer is the problem correct ?
Where is the humidifer hooked to at the board.
Ok no problem!
Do you want to continue
Just got back on and see your photos, excellent. Helps alot.
Alright first of all do you have a hundistat to control the humidity ?
2ndly that HUM terminal is that a for sure 24v
If you have a humidstat go on the control board R and C this is 99% of how I wire them and they will work fine, you really need a hundistat so it will turn on and off as needed