Upon arrival customer stated that they were having issues with water pressure and especially when hot water turned on and also have two toilets running. Checked water pressure to the house and had helper turn on faucets in the house and the pressure kept decreasing. Gave customer estimate to replace the flappers in the toilets and PRV. Customer approved estimate. Installed new flappers and PRV. All of those systems working properly. Also Left water heater estimate with customer.