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Thanks for the advice. It was an easy fix. I just needed the information and encouragement that I was doing the right thing.

Each time my central A/C turns on, there is a loud buzz for less than a second from the CB panel, then the A/C comes on and runs just fine. The A/C is a new unit, but I recall hearing the buzz with...

Each time my central A/C starts, there is a loud buzz for 1 second. The unit is new and works fine - just wondering if this is unusual. I've been told its probably the relay sending power out to...