Supply and Install 40 Gallon Electric Lowboy Water Heater: Remove and disconnect existing water heater. Install new 40-gallon electric Lowboy model in the same location. Work includes setting a new drip pan (if pan fits in accessible space), installing a new thermal expansion tank to protect the plumbing system from pressure fluctuations, and replacing the existing shutoff with a new full-port ball valve on the cold water supply line for improved flow and serviceability. System will be thoroughly tested upon completion to ensure proper operation and safety. Warranty: This installation is backed by a 2-year labor warranty, covering our workmanship, and a 6-year parts warranty on the water heater itself. Note: Please be advised that Chen Plumbing will responsibly remove and dispose of the old water heater unless the customer provides written instructions to Chen Plumbing requesting the retention of the fixture/appliance. Customers acknowledge that once the old water heater being re