There are other skills plumbers need aside from being able to work with water. One of the most common things that a faucet replace on is fixing water lines.
Water leak detectors are alarms that alert you of leaks. They do not stop the water leak from happening. They also do not stop the leak after it happens or turn off the water line repair valve. You will still need to turn off the water valve yourself and contact a Utah plumber to come check out the plumbing issue.
You don't want to be paying your plumber to clear the area before they start work particularly if you are paying an hourly rate. Empty cupboards and make sure there is nothing that may cost the plumber time and you money gaining access to the job.
Working on the gas lines is also a complex job that only a licensed plumber can handle because it is very dangerous. Small leaks can't always be detected by odor alone, but a licensed professional has the proper equipment that's needed to ensure that you don't have any leaks in the line.
The first step in the replacement project is to turn off the water line repair to the toilet and flush any water that may be in the tank. If you forget this step, you will have a giant mess to clean up! You should now disconnect that water line.
The way a toilet plunger works is by filling up with water and then pushing that water through the stopped up drain. When unclogging a clogged toilet, the idea is to plunge up and down a couple of times so the plunger fills with water and then jam the open end, sometimes called a force cone, into the waste outlet in the plugged toilet and start plunging. You may have to pump the plunger up and down several times to clear the blockage.
The plumber you hire does not normally do heating but will do hot water heating or in floor heating in the house. Some places you can use the water heater for both domestic hot water and for in floor heating if the heating is a secondary heat. Check with your local plumbing codes on this to be clear.