View visual findings from this job here - https://visionshare.xoi.io/?id=XA-DE27-631000D04DE24B4BAFFB2D239BB414 Perform maintenance on force, gas fired Water boiler with three zone (1) Being domestic hot water And two Hydro air handlers: GAS WATER BOILER: Power down equipment Removed the boiler cover door Removed flame guard, and roll out switch Removed all burner tubes Vacuum and dusted out burner section of boiler under heat exchanger Vacuum and brushed all burner tubes, clean and clear Vacuum and dusted out boiler cabinet and components, clean and clear Clean spark igniter with copper bristle brush, and polished clean with steel wool Inspected heat, exchanger and flu piping Reinstalled all burners, Flame guard, and rollout switch Secured and inspected all electrical wiring, and components Test and check expansion tanks, Water feed, backflow air vents, and relief valve- okay Return to system Test, domestic, hot water, aquastat, and circulator pump: Circulator pump is on and runni