Completed heating maintenance on one Weil- McLain ultra boiler removed and checked and cleaned thr igniter/ flame sensor and checked burner chamber also checked electrical components and electrical connections and removed and cleaned the condensate trap reinstall all components and turned system on and checked operations in heat mode and domestic hot water also flushed condensate pump and checked the expansion tank recommend to clean the combustion chamber and replace the igniter/flame sensor View visual findings from this job here - https://visionshare.xoi.io/?id=XA-EE1C-C55CF78FB6AA45689948C7C7E0977A0B sent email with estimate