Performed maintenance on a Viessmann Vitodens 100-W hydronic boiler. Inspected and cleaned the burner assembly and heat exchanger to remove any soot and ensure efficient heat transfer. Checked the expansion tank and pressure relief valve for proper operation. Tested the circulator pump and verified water pressure levels. Inspected the control panel and thermostat for accurate settings. Refilled the system as needed and conducted a thorough operational test to confirm optimal performance and safety. The boiler is now running efficiently, providing reliable and effective heating.
