View visual findings from this job here - https://visionshare.xoi.io/?id=XA-7C6F-AC72B3412FDC401B828D5298BF4267BF Perform maintenance on steam boiler + (2) hydro air handlers and radiant heat zone off steam boiler: STEAM BOILER: at arrival found Multiple zones calling on the steam boiler, but the boiler was off Found that the system was off due to the pressure troll Once the pressure control was tapped, the boiler turned back on Shut power to the system Remove the flame, guard and all burner tubes Vacuum and dusted lots of debris from boiler cabinet, Piping and all components Vacuum vacuumed and brushed burner tubes, clean and clear Clean spark igniter and flame sensor with copper bristle brush, and polished clean with steel Inspected heat, exchanger and flu piping- okay Vacuum and dusted all electrical Wiring and components Secured all electrical connections, and polished clean Test and inspect Expansion tank water feed, and backflow preventer- ok Reinstalled all burner tubes and