Performed annual preventive maintenance on the oil-fired boiler system. Service included a comprehensive inspection of all safety controls and operating components to verify safe operation, optimal efficiency, and compliance with manufacturer specifications. Replaced the oil nozzle and oil filter, cleaned the fuel strainer, and thoroughly brushed and vacuumed the boiler heat exchanger and smoke pipe to remove soot and debris buildup. Conducted a combustion analysis and draft test to confirm proper burner performance and ventilation. All readings were within acceptable ranges, and the boiler is operating properly at this time. Reviewed system safety controls and general operating guidelines with the customer.
