Installed new 50-gallon Bradford White water heater in Greenwood Village property. Removed old unit (11 years old) and properly disposed of it. Set up expansion tank and updated drain pan with direct line to floor drain. Ensured T&P valve correctly installed and tested. Updated gas connection with flexible code-approved connector. Verified proper venting. System functioning optimally with excellent recovery rate. Demonstrated temperature adjustment and explained maintenance requirements to property owner.