A plumber is a professional who works with water and drainage systems. They also install potable water and sewage systems. If you need a plumber to fix something in your home, you should first know the things to look for before you hire him. Plumbing is a very specialized field, and there are different types of plumbers to choose from.

You should look for plumbers who are licensed and registered. It is important to find out if a plumber is trained and certified so you won’t be paying for unlicensed work. A licensed plumber is one who has completed the necessary education and passed the written exam to be allowed to work as a plumber. They also need to keep up with continuing education to maintain their license.

You should also look for plumbers with a lot of experience. This will allow them to diagnose the problem quickly and come up with the best solution. A good plumber should also be honest about his prices and guarantee their services. Also, a licensed plumber should be willing to give you references from his previous employers and clients.

Plumbing works by following basic laws of nature, including gravity and pressure. This means that water will seek its level. Knowing the basic laws of plumbing can help you do repairs yourself, and it can save you money in the long run.