Completed water heater replacement in Doylestown, PA 18901. Removed a leaking 50-gallon tank and installed a new Bradford White 50-gallon natural gas water heater with an expansion tank to protect against pressure fluctuations. Also installed a new pressure-reducing valve after testing revealed high water pressure at 125 PSI, adjusting it to safe operating levels. Verified proper operation and code compliance. Installation is backed by an 8-year parts and labor warranty on the water heater and a 1-year labor warranty on the PRV.