“I know the Honeywell T10 Pro uses a magnetic relay switch instead of a MOSFET switch. Does the T9 use a Magnetic Relay as well?”

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• The T9 uses a magnetic relay as well. -Joey

  Answered by Resideo Team 3 years ago

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• I’m sorry, I don’t know. Our installation was quite simple because our house is just a couple years old. Try calling Honeywell customer service.

  Answered by 1Taburgos 3 years ago

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