Forum Discussion

jayspi's avatar
jayspi
Explorer
May 19, 2018

Should a 13,500 BTU A/C be wired to a 15 or 20 amp breaker?

Hi everyone, we bought a 2004 Colorado 5th wheel last year. We've had problems with the A/C not blowing as hard as we think it should, and the circuit breakers (mostly the main, but also the one for t...
j-d's avatar
j-d
Explorer II
May 19, 2018
Let me say at the git-go, I really don't like the two-breakers-in-one design. Just can't convince me that they don't have more heat buildup than single breakers would have, making it easier to trip falsely.

Anyhow, we have a 30/20 as Main and A/C. I called around for a replacement, and the "Yep we got it" place only had a 20/30. I swapped the wires so the 20 for A/C occupies the Main position and Main is now one down on the stack where A/C should be. Possibly, a previous replacement was done that way.

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