If you do not want to deal with water damage caused by leaking pipes, it is important to fix a plumbing leak even before it happens. It is true that you will be better off letting a professional handle the water line repair, but you can also take some precautionary measures to ensure things do not go out of control. In most cases, you can prevent serious issues by making sure that water supply is connected property with waste line fittings. Here are a few things to remember when making leak-proof connections.