Updated: March 23, 2023
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by Oleksandr Kamennyi
Tech Expert & Writer
961 resolved issues
Verified Expert in:
Smartphones, Gadgets, Computers, Apps

My old thermostat has a white wire connected to a W/E terminal

My new Honeywell model RTH5160D1003 does not have a W/E terminal. What does that white wire connect to

Hello, thank you for using Howly. I’ll be happy to help you out! May I ask your name?

Customer Replay


Nice to meet you, *****!
Tell me, please, the model of your old thermostat

Customer Replay

It’s a Emerson. I can’t find a model# anywhere


Can you, please, take a photo of your terminal?

Customer Replay

I took a pic but don’t know how to send

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To attach pictures to our chat, you need to press the paper clip button in the lower right corner of the chat window. Then you have either to choose an image on your device or take a photo right away. Then confirm sending.

Customer Replay

Visitor uploaded: image.jpeg
Type: image/jpeg
Size: 3576942

Could you, please, take a photo of your new terminal?

Customer Replay

Visitor uploaded: image.jpg
Type: image/jpeg
Size: 3120879

You should connect white wire to the W2 port

Customer Replay

I thought the black wire went to the W2

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The black wire should go to the port just under W2

Customer Replay

that port with the e beside it

That's right

Customer Replay

You are the man. Thanks

Maybe you have any other questions?

Customer Replay


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