Honeywell T8411R Support Question
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Question posted by bajatom24 on June 28th, 2015
Smart Thermostat Compatibility
Want to buy Honeywell WIFI Smart. I have Honeywell CT3300A1009 now. Four wires. I know what Y-W-G do. What about the fourth wire I have, red wire? Is that a "c-wire." I can test, bit what voltage? 24?
Current Answers
Answer #1: Posted by TechSupport101 on June 28th, 2015 11:36 PM
Extra wire Red? That is the 24VAC
The C wire is Black or Blue and not used on the model