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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8381
Experience:  Furnace, A/C and heat pump specialist.
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I bought a house that has an aprilaire 8570. I would like to

Customer Question

I bought a house that has an aprilaire 8570. I would like to adjust some of the temperature settings but there is a security code on the thermostat. I don't know the security code. How can I bypass, eliminate or change the security code? thanks
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Try 1234 as the passcode and let's see if that will unlock

Expert:  airheatman replied 1 year ago.

If this does not work let's try to turn the lockout feature off.

Go to the SETTINGS menu

Scroll down to LOCKOUT OPTIONS

Try selecting UNLOCK

Expert:  airheatman replied 1 year ago.

Also might try 7777 as that is Aprilaires' master key password.

Customer: replied 1 year ago.
hi it looks like the passcode was 7777. i have adjusted the temperature settings and hopefully everything will work as planned. thanks for your help.
Expert:  airheatman replied 1 year ago.

If you have further questions, please let me know.

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