Perform a heating maintenance checked all operations checked blower motor inducer motor checked all electrical components check temperature split check drain lines replace filter provided by customer check seal levels check heat exchanger clean flame sensor check igniter system is running with the manufacture specifications thank you for having me out today Alex View visual findings from this job here - https://visionshare.xoi.io/?id=XA-7A3A-DDDCCDB1E705411D944A1F24AE7CE1A7