Upon arrival customer stated that there was a leaking coming from upstairs bathroom after his kids were taking long showers. Informed customer that it look like the tub need to be sealed/grouted. Also got customer in contact with serclean to help dry up any water. When taking a look at the water heater noticed the thermal expansion tank had failed. Informed customer and gave customer estimate to replace and bring it up to code with a membership. Customer approved estimate. Cut out old thermal expansion tank. Installed new thermal expansion tank with mounting bracket. Tested system system working properly with no leaks.