“My current thermostat has a “W” wire and a “W2” wire. Where do I connect the “W2” wire?”
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Hi Rseb, thank you for your question. The W2 wire should be connected to the W2,Aux/E terminal. We will be happy to assist you with the complete wiring at (800) 633-3991 or through Private Message at our Honeywell Home Facebook account. - Maria
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