You are right

來源: tootrue 於 2012-07-02 20:23:48 [] [舊帖] [給我悄悄話] 閱讀數 : (79 bytes)
回答: go to Lowes buy a thermo controller 由 比花花還花 於 2012-07-02 13:11:09

blue is usually power supply to controller, just tape it (not using it).

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