Customers upstairs children's bathroom tub was slowly dripping. They also wanted to have the pop up.Drain for the same tub replaced. The shutoff for the house was in a very high spot. I suggested that they have a new ball valve installed.That was lower and more accessible. A customer agreed. I turned the water off to the house and and installed this single handle shower cartridge after draining the house. Retrieved said items and brought back and installed. Afterwards I installed a ball valve on the water.Main. I then installed the new drain, pop up for the bathroom and then turned the water on to the house and primed all of the air out of the lines. Check for leaks no leaks. I then checked aerators.And made sure everything was flowing properly. Thank you for choosing and trusting t e with your plumbing needs