| 1 | ST1001 | Exhaust ASS'Y | | |
| 2 | ST1002 | Case | | |
| 3 | ST1003 | Cover Assembly | | |
| 3\1 | ST1003 | Front Cover | | |
| 3\2 | ST1004 | MMI Panel Bracket | | |
| 3\3 | ST1005 | MMI Panel | | |
| 4 | ST1006 | Ignition Transformer | | |
| 5 | ST1007 | Gas Inlet Nipple | | |
| 6 | ST1008 | Overheat Sensor | | |
| 7 | ST1009 | DHW Supply Pipe ASS'Y | | |
| 7\1 | ST1010 | DHW Supply Pipe | | |
| 7\2 | ST1011 | Water Outlet Sensor | | |
| 8 | ST1012 | Siphon ASS'Y | | |
| 9 | ST1013 | Siphon Air Pressure Hose | | |
| 10 | ST1014 | Air Pressure Switch | | |
| 11 | ST1015 | MMI Bracket | | |
| 12 | ST1016 | MMI | | |
| 13 | ST1017 | PCB | | |
| 14 | ST1018 | PCB Bracket | | |
| 15 | ST1019 | Manual Switch | | |
| 16 | ST1020 | Flow Control Valve | | |
| 17 | ST1021 | Water Inlet Pipe ASS'Y | | |
| 17\1 | ST1022 | Water Inlet Pipe | | |
| 17\2 | ST1023 | Water Inlet Sensor | | |
| 17\3 | ST1024 | Water Inlet Filter | | |
| 17\4 | ST1025 | Water Inlet Filter Cap | | |
| 18 | ST1026 | Case Bracket (Left) | | |
| 19 | ST1027 | Case Bracket (Right) | | |
| 20 | ST1028 | Intake Air ASS'Y | | |
| 31 | ST1029 | Heat Exchanger Assembly | | |
| 31\1 | ST1030 | Exhaust Pipe Assembly(UP) | | |
| 31\2 | ST1031 | Exhaust Temperature Sensor | | |
| 31\3 | ST1032 | Exhaust Packing 1 | | |
| 31\4 | ST1033 | Exhaust Pipe Assembly(DOWN) | | |
| 31\5 | ST1034 | Exhaust Packing 2 | | |
| 31\6 | ST1035 | Condensate Gutter | | |
| 32 | ST1036 | Blower Assembly | | |
| 32\1 | ST1037 | Blower | | |
| 32\2 | ST1038 | O-Ring | | |
| 32\3 | ST1039 | AGM(Actuator) | | |
| 33 | ST1040 | Silencer Elbow | | |
| 34 | ST1041 | Silencer Body | | |
| 35 | ST1042 | Burner Assembly | | |
| 35\1 | ST1043 | Burner Head | | |
| 35\2 | ST1044 | Ignition Rod Bracket | | |
| 35\3 | ST1045 | Ignition Rod | | |
| 35\4 | ST1046 | Burner Fixing Bracket | | |
| 35\5 | ST1047 | Overheat Sensor(Burner) | | |
| 35\6 | ST1048 | Metal Fiber | | |
| 36 | ST1049 | Flame Detector | | |
| 37 | ST1050 | Mixing Valve | | |
| 38 | ST1051 | Heat Exchanger Temperature Sensor | | |
| 39 | ST1052 | Overheat Sensor(Heat Exchanger) | | |
| 40 | ST1053 | DHW Outlet Pipe | | |
| 41 | ST1054 | Water Hammer Clip | | |
| 42 | ST1055 | DHW Inlet Pipe | | |
| 43 | ST1056 | Ceramic Heater | | |
| 44 | ST1057 | Gas Inlet Pipe | | |
| 45 | ST1058 | Gas Supply Pipe (to gas valve) | | |
| 46 | ST1059 | Gas Valve Adapter (pipe to valve) | | |
| 47 | ST1060 | Gas Valve Assembly | | |
| 47\1 | ST1061 | Gas Valve | | |
| 47\2 | ST1062 | Gas Valve Plug | | |
| 48 | ST1063 | Gas Valve Adapter(DOWN) | | |
| 49 | ST1064 | Gas Valve Bracket | | |
| 50 | ST1065 | Case Bracket (Heat Exchanger) Left | | |
| ST1066 | Case Bracket (Heat Exchanger) Right | | |
| 51 | ST1067 | Case Bracket (Burner) | | |
