deposit for scheduled repair on fri march 22, 2024 Drained system. Removed and replaced the Low Water Cut Off. Filled and purged all zones. Cut out leaking fittings and replaced with new pipe and fittings on the indirect water heater. Filled and purged. Installed support for supply manifold. Cut and removed the oil tank and piping. Filled holes and concreted. Performed a heating pm on the boiler. Brushed and vacuumed the boiler and flue pipe. Replaced the oil filter, nozzle and strainer. Checked the electrical connections and safety’s. Started and performed a combustion test. 5.1%o2, 20 ppm. 83% efficient. System is operating properly.