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

来源: 于 2012-12-22 13:21:32 [博客] [旧帖] [给我悄悄话] 本文已被阅读：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.