Call out to address loose shower handles in the master bathroom. Upon arrival found that it was a to handle shower that the handles were extremely loose from not being mounted behind the wall. Advised homeowner that the shower valve would need to be replaced with a single handle shower valve. Also advise the homeowner that the expansion tank on the water heater needed to be mounted per code requirements. Gave homeowner options for all necessary repairs. I wanna agreed to replace the shower valve and to get the expansion tank mounted to the wall. Work was started by shutting off water to the home and draining the system. Once water was drained, began by removing old expansion tank and installed a new wall-mounted expansion tank. In the master shower began by removing the old shower valve and cutting a section of tile in the center in order for the new single handle valve to sit in. Cut on the wall behind the shower to gain access to install the new shower valve. Installed a new single H