Your home relies on your plumbing system a lot. You do have to see to it that the system is working fine at all times. Since it is not exempt from problems like wear and tear, you know that you need to get it checked on by the right people as often as necessary.
When the time comes that you need something to be fixed, you need the right experts to work on the job for you. This is why it matters a lot which it is you will call when this happens since it can affect the quality of the work that they can do for you.