Performed maintenance on One Burnham, hot water boiler, removed and clean burners and standing by assembly also replaced thermocouple and clean burner tray checked automatic flu damper upon further checking of system diagnose. The expansion tank is compromised. Discussed with homeowner the issues and recommended replacement of the Expansion tank for hydraulic heating model number 60 also recommended to replace the relief valve female tap, and install automatic fill valve with backflow preventer. And an half inch ball valve All fittings propress System is working at this time. Homeowner requested the job to be done on Friday 20th or Monday 23rd February 2026