Try putting drops of food coloring in the tank. If you then see colored water in the toilet bowl shortly after, it is leaking. If sewage is overflowing your toilet, this is due to a blockage in the branch line connecting the main line and sewage line. If you cannot take care of this blockage, you will need to hire a professional to run a snake in the line to clean it. You will be able to check their license and negative reviews. If they don't have a current license, you won't want to hire them to do work for you. Plumbing requires more skill then just routing water from point A to point B. One of the common things that a plumber works on is fixing water lines. A lot of people are afraid that plumbing issues and think that even small problems with it can cause much damage to their home. This is easily avoided if you know just one thing. To be efficient about the water heater, you should figure out the right size water tank to provide enough hot water for the whole household. More information about Certified Plumber Lytle Tx.
Brass fixtures are also much better than some of the other fixture options. You can find these in any home stores. There are a lot of amateurs in plumbing, so if you're a pro, think about getting an apprentice. This approach provides cheap labor, and can help you mentor those younger than you. The heat from the sun can be easy to ignore when you are focused on what you're doing, but that does not mean that it becomes any less dangerous. Save yourself big time by putting together your plumbing visits to one plumber visit.