Mail invoice. Customer called in because water heater stopped working. Drained heater. Removed existing water heater flex’s. Removed existing venting. Removed existing t&p drain piping. Removed existing earthquake straps. Removed existing recirculation piping. Removed water heater. Removed existing thermal expansion tank tank. Installed new earthquake straps. Installed new water heater. Installed new gas flex. Installed new water heater flex’s. Installed new thermal expansion tank. Installed new piping to recirculation pump. Ran 10 gallons of water through boiler drain on recirculation line to make sure no air was present in line. Checked for water leaks. No signs of leaks found at this time. Soap tested gas connections for leaks. Use gas detection equipment to check for gas leaks again. No signs of gas leaks found at this time. Insulated water heater flex’s. Checked for water leaks again. No signs of leaks found. Thank you for choosing CPI plumbing and heating!