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Question About Honeywell Thermostat None
Correct wiring for a RTH221B Thermo....

I have looked at the simple wire diagram; but it does not tell me which wiring works for simple two wire honeywell mercury switch. They did not use these wire designations. How about including a simple diagram of how this switch works.

Asked by Ben Smith on 01/05/2009 0  Answer

ManualsOnline posted an answer 15 years, 10 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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