Upon arrival technician found that the Hot water for the master bedroom shower is currently not shutting off. The technician inspected the valve and found that the valve turns completely around without ever turning off the water completely. The technician spoke with the customer and explained that the cartridge needs to be replaced and most likely the valve as well. The customer would like the valve replaced and install two shut off valves. In order for the customer to never have to deal with this issue again.