View visual findings from this job here - https://visionshare.xoi.io/?id=XA-15F7-371E128F4D9F433D8F5588F51E802808 Return to replace air vent on boiler and install furnace cement around chimney breach: * shut power to boiler * Close water feed to boiler * close all supply and return ball valves on boiler for heating zones * remove pressure from system * removed air vent from boiler piping * installed and secured brand new air vent in boiler supply piping * fill boiler and remove all air from system * open all valves back to boiler * return power and test system operations * tested (4) heating zones on boiler- System fires normally * All supply and return piping or heating properly and boiler satisfies at 180° while maintaining normal boiler pressure * prep with blue tape around chimney breach * installed furnace cement beat and clean around chimney breach filling all gaps and cracks * remove blue tape and clean up 100% All repairs are made and the system was left operating properly