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Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange
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4 Wire Thermostat Wiring Color Code — OneHourSmartHome.com
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Amazon.com: 4 Wire Thermostat
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Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange
I'm trying to install a regular nest thermostat. Taking a look at my current wiring setup, I'm a little confused on how I should hook it up. I have a 2 stage