| 1 | | Front panel | | |
| 2 | | Viessmann logo | | |
| 3 | | Cover panel with gasket | | |
| 4 | | Profiled seal | | |
| 5 | | Control unit support | | |
| 6 | | Contact guard | | |
| 7 | | Toggle fastener (4 pce) | | |
| 8 | | Pipe clip Ø 18 | | |
| 12 | | Air box gasket, gas pipe | | |
| 13 | | Wall mounting bracket | | |
| 14 | | Diaphragm grommets | | |
| 1 | | Gasket DN 60 | | |
| 2 | | Boiler flue connection | | |
| 3 | | Boiler flue connection plug | | |
| 4 | | Flue gasket | | |
| 5 | | Flue gas temperature sensor | | |
| 6 | | Heat exchanger | | |
| 7 | | Thermal insulation block | | |
| 8 | | Profile hose HR | | |
| 9 | | Condensate hose | | |
| 10 | | Splash trap | | |
| 11 | | Air box gasket, trap | | |
| 12 | | Heat exchanger mounting (set) | | |
| 13 | | Condensate hose | | |
| 15 | | Gas supply pipe | | |
| 16 | | Gasket A 17 x 24 x 2 (5 pce) | | |
| 19 | | Burner (see burner assembly) | | |
| 20 | | Tee union | | |
| 21 | | Corrugated hose 19 x 800 with ferrule/bend | | |
| 23 | | Spring clip DN 25 (5 pce) | | |
| 24 | | Connection elbow, heating water return | | |
| 25 | | O-ring 20.63 x 2.62 (5 pce) | | |
| 1 | | Burner gasket Ø 187 (wearing part) | | |
| 2 | | Thermal insulation ring | | |
| 3 | | Cylinder burner gauze assembly | | |
| 4 | | Gasket, burner gauze assembly | | |
| 5 | | Burner door | | |
| 6 | | Gasket, ionisation electrode (5 pce) | | |
| 7 | | Ignition/ionisation electrode | | |
| 8 | | Gasket, burner door flange (wearing part) | | |
| 9 | | Radial fan NRG 118 | | |
| 10 | | Gas valve GB-ND 055 E01 | | |
| 11 | | Mounting bracket, thermal insulation ring (2 pce) | | |
| 12 | | Venturi extension | | |
| 13 | | Gasket A 17 x 24 x 2 (5 pce) | | |
| 14 | | Gasket set | | |
| 15 | | Conversion kit G31 | | |
| 1 | | Temperature sensor | | |
| 2 | | Thermal circuit breaker | | |
| 3 | | Air vent valve G 3/8 | | |
| 4 | | Hose 10 x 1.5 x 1500 | | |
| 5 | | clip Ø 8 (5pce) | | |
| 6 | | Profile hose HF | | |
| 7 | | Spring clip DN 25 (5 pce) | | |
| 8 | | Adaptor, hose connector | | |
| 9 | | clip Ø 18 (5pce) | | |
| 10 | | O-ring 17.86 x 2.62 (5 pce) | | |
| 11 | | Connection pipe HF | | |
| 12 | | Gasket A 17 x 24 x 2 (5 pce) | | |
| 13 | | Pressure gauge | | |
| 14 | | Clip Ø 10 (5pce) | | |
| 15 | | O-ring 9.6 x 2.4 (5 pce) | | |
| 16 | | O-ring 14.3 x 2.4 (5 pce) | | |
| 17 | | Clip Ø 15 (5pce) | | |
| 18 | | Connection pipe, DHW circulation pump | | |
| 19 | | Gasket A 23 x 30 x 2 (5 pce) | | |
| 20 | | Circulation pump VIUP15-30 CIL2 | | |
| 21 | | Motor, circulation pump VIUP -30 | | |
| 22 | | Support, cylinder loading pump | | |
| 23 | | Connection pipe CW | | |
| 24 | | Ball valve R 3/4 DN 15 | | |
| 25 | | Gasket A 18.5 x 24 x 2 (3 pce) | | |
| 26 | | Return pipe | | |
| 27 | | Diaphragm grommet (5 pce) | | |
| 28 | | Safety valve 3 bar Ø 19.9 x 21.7 | | |
| 29 | | Condensate hose | | |
| 30 | | Motor, circulation pump UPM3 15-75 | | |
| 31 | | CIAO2 casing | | |
| 32 | | Quick-action air vent valve | | |
| 33 | | Connection pipe HR | | |
| 34 | | Connection elbow HF | | |
| 35 | | Aqua-plate (see aqua-plate assembly) | | |
| 36 | | Plug Ø 8/10 | | |
| 37 | | Diaphragm expansion vessel | | |
| 38 | | Hose clip Ø 220 - 240 x 9 | | |
| 39 | | Gasket A 10 x 15 x 1.5 (5 pce) | | |
| 40 | | Connection line, expansion vessel 3/8 x 60 | | |
| 41 | | Circular seal washer 8 x 2 (5 pce) | | |
| 42 | | Expansion vessel | | |
| 43 | | Clip Ø 140 - 160 | | |
| 44 | | Connection line, expansion vessel | | |
| 1 | | Valve insert | | |
| 2 | | Flow unit | | |
| 3 | | Return unit | | |
| 4 | | Overflow valve | | |
| 5 | | Overflow line | | |
| 6 | | Plate heat exchanger | | |
| 7 | | Profile gasket (4 pce) | | |
| 8 | | Temperature sensor | | |
| 9 | | Clip Ø 8 (5 pce) | | |
| 10 | | Clip Ø 10 (5 pce) | | |
| 10 | | Clip Ø 15 (5 pce) | | |
| 11 | | Clip Ø 18 (5 pce) | | |
| 12 | | Gasket A 17 x 24 x 2 (5 pce) | | |
| 13 | | O-ring 17.86 x 2.62 (5 pce) | | |
| 1 | | Control unit VBC114-C04 | | |
| 2 | | Cover, wiring chamber | | |
| 3 | | Fuse, 2.5 A (slow), 250 V (10 pce) | | |
| 4 | | Cable harness X20 | | |
| 5 | | Cable harness 100/35 | | |
| 6 | | Cable harness, stepper motor | | |
| 7 | | Ignition cable with angled plug | | |
| 8 | | Cable ties (10 pce) | | |
| 9 | | Connecting cable, heating circuit pump 20 | | |
| 10 | | Outside temperature sensor NTC 5K | | |
| 11 | | Cable harness X21 | | |
| 1 | | O-ring 14.3 x 2.4 (5 pce) | | |
| 2 | | Clip Ø 15 (5 pce) | | |
| 3 | | Connection pipe DHW | | |
| 4 | | RV cartridge DN 15 | | |
| 5 | | Shut-off elbow, cylinder | | |
| 6 | | Connection pipe DHW | | |
| 7 | | Gasket A 18.5 x 24 x 2 (3 pce) | | |
| 8 | | Protective profile | | |
| 9 | | Hose clip Ø 340 - 360 x 9 | | |
| 10 | | Cylinder temperature sensor NTC | | |
| 11 | | Cylinder (see cylinder assembly) | | |
| 1 | | Cylinder with thermal insulation | | |
| 2 | | Thermal insulation EPS, front | | |
| 3 | | Thermal insulation EPS, back | | |
| 1 | | Touch-up spray paint, white, 150 ml | | |
| 2 | | Touch-up paint stick, white | | |
| 3 | | Special grease | | |
| 4 | | Installation and service instructions | | |
| 5 | | Operating instructions | | |
