Complete 16 heating maintenance in Norcross. Change filter, check safety and operations. Unit #1 capacitor bad 10/15 uf rated Weak flame sensor Need combustion calibration No water protection Unit #2 bad capacitor and missing drain pan float switch for water protection Unit #3 capacitor bad 17.3/20 uf rated Weak flame sensor No inline water protection Unit# missing in-line water protection Unit#5 dirty blower assembly, weak capacitor and rusted Evaporator coil, and missing in-line water protection Unit#6 No water protection Unit# 7 Gas line not code No inline water protection Unit#8 Gas line not code No inline water protection Unit# 9 Gas line not code No water safety Unit# 10 No inline water protection Gas line not code Unit#11 No inline water protection al Gas line not code Unit#12 Bad thermalcouple Stress and overheated heat exchanger Fail unit and not safe to operate Need to replace 26 year old system Unit#13 Fail unit not safe to operate, flame rollout, in