It is required to hire licensed plumber。The enforcement， however

來源: 於 2012-12-22 13:21:32 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

depends on where you live. In my state, if the code enforcement finds it out after you have finished, then nothing will happen. This is why, Christmas is a good day.