Upon inspection, it was determined that the pressure tank valves required replacement due to wear and tear, which was causing inconsistent water pressure. I began by shutting off the water supply to ensure safety. Next, I drained the pressure tank to remove any residual water. After draining, I carefully removed the old valves, taking care to note their positions for proper reinstallation of the new ones. The new valves were then installed, ensuring a secure fit and proper alignment. I refilled the pressure tank and turned the water supply back on, testing for leaks and confirming that the pressure levels were within the desired range. The job was completed efficiently, restoring optimal water pressure and functionality.