| 1 | | Fixing clip (2 pce) | | |
| 2 | | Viessmann logo | | |
| 3 | | Wall mounting bracket | | |
| 4 | | Cover panel | | |
| 5 | | Front panel | | |
| 6 | | Control unit support | | |
| 7 | | Contact guard | | |
| 8 | | Grommet set | | |
| 9 | | Adjustable foot | | |
| 1 | | Diaphragm grommet DN 110 | | |
| 2 | | Lip seal Ø 150 | | |
| 3 | | Lip seal, system D110 | | |
| 4 | | Boiler flue connection plug | | |
| 5 | | Flue gas temperature sensor | | |
| 6 | | Heat exchanger | | |
| 7 | | Thermal insulation block | | |
| 8 | | Boiler flue connection 110/150 | | |
| 9 | | Siphon | | |
| 10 | | Gas distributor | | |
| 11 | | Gas pipe | | |
| 12 | | Condensate hose | | |
| 13 | | Gasket set A 16 x 24 x 2 (5 pce) | | |
| 14 | | Seal ring 21.0 x 30.0 x 2.0 | | |
| 15 | | Condensate drain set | | |
| 16 | | Burner | | |
| 1 | | Gas train CES | | |
| 2 | | Ignition unit | | |
| 3 | | Burner gasket Ø 298 | | |
| 4 | | Burner gauze assembly gasket | | |
| 5 | | Burner door | | |
| 6 | | Gasket, ignition electrode (5 pce) | | |
| 7 | | Gasket, ionisation electrode (5 pce) | | |
| 8 | | Thermal insulation ring | | |
| 9 | | Flue gas non-return device | | |
| 10 | | Ignition electrode block | | |
| 11 | | Gas nozzle, 09, grey (2 pce) | | |
| 12 | | Cylinder burner gauze assembly | | |
| 13 | | Radial fan RG148E 230VAC | | |
| 14 | | Ionisation electrode | | |
| 1 | | Temperature sensor (2 pce) | | |
| 3 | | Clip Ø 8 (5 pce) | | |
| 4 | | Flow control switch | | |
| 5 | | Gasket set 1 1/4 (5 pce) | | |
| 6 | | Fitting | | |
| 7 | | Connection pipe HR | | |
| 8 | | Ball valve | | |
| 9 | | Connection pipes HR | | |
| 10 | | Connection pipe HV | | |
| 11 | | Pressure gauge, 0-6 bar | | |
| 12 | | O-ring gasket set 34.59 x 2.62 | | |
| 1 | | Control unit VBC135-A20.001 | | |
| 2 | | Casing back panel | | |
| 3 | | Coding card 2569:0201 | | |
| 3 | | Coding card 256A:0201 | | |
| 4 | | Fuse, 6.3 A (slow), 250 V (10 pce) | | |
| 5 | | Fuse holder, 6.3 A (slow) | | |
| 6 | | Vitotronic 200 HO1B | | |
| 7 | | Vitotronic 100 HC1B programming unit | | |
| 8 | | LON HO1 communication module | | |
| 9 | | PCB adaptor | | |
| 10 | | Cable harness X8/X9/ionisation | | |
| 11 | | Cable harness 100/35/54/earth | | |
| 13 | | Mating plug | | |
| 14 | | Cable ties (10 pce) | | |
| 15 | | Locking bolts, left and right | | |
| 17 | | Outside temperature sensor RF | | |
| 18 | | Outside temperature sensor NTC | | |
| 20 | | Internal H1 extension | | |
| 1 | | Touch-up spray paint, white, 150 ml | | |
| 2 | | Touch-up paint stick, white | | |
| 3 | | Installation and service instructions | | |
| 4 | | Vitotronic 100 HC1B operating instructions | | |
| 5 | | Vitotronic 200 HO1B operating instructions | | |
