What Is W1 On Thermostat

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I have a shaw 3210 thermostat with r, c,, w2, e/w1, y1 & g terminals I've got an old thermostat with the terminals labelled as such 0/w2* y1 W1 209 thermostat control board scan by marlywong

What is w1 wire on thermostat? (what it is and how it works)

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I have a Shaw 3210 Thermostat With R, C,, W2, E/W1, Y1 & G terminals

I am having trouble understand where to put the W cable. The picture I

I've got an old thermostat with the terminals labelled as such 0/W2* Y1

Do I put the white wire in W1 or W2 in nest thermostat? - Google Nest

Trying to connect a new Amazon thermostat to a train and not sure the

American Standard Thermostat Wiring Diagram 2000

How To Connect "W2" and "W1" Wires (2 Stage Heating)To Nest Thermostat