
Viessmann
Viessmann Cable Wiring Harness X8/X9/Ionization 7839456
Viessmann cable wiring harness for the X8, X9 and ionization connections on Vitodens 222-F appliances.
At a glance
- Also known as 2322064
£64.44
£53.70 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Viessmann cable wiring harness X8/X9/ionization is a multi-way electrical loom used on Vitodens 222-F condensing appliances. It carries the X8 and X9 plug connections along with the ionization probe circuit, linking the appliance's control and combustion monitoring components. The harness is identified by Viessmann part number 7839456.
Signs this part needs replacing
- The appliance fails to ignite or locks out because the ionization signal is interrupted
- Fault codes relating to flame detection or ionization appear on the control unit
- Visible heat damage, brittle insulation or chafing on the harness wiring
- Loose, corroded or poor contact at the X8 or X9 plug connections
- Intermittent electrical faults that change when the loom is moved
Before you order
- Confirm the appliance model and serial number against the fit list above
- Check the existing harness designation and plug positions before removal
- Inspect the X8 and X9 connectors and the ionization lead for damage elsewhere in the circuit
Compliance
| Alternative numbers | 2322064 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 222-F B2TA 19 SERIAL No. 7510826 | — | — | — | |
| VIESSMANN VITODENS 222-F B2TA 19KW SERIAL No. 7513044 | 47-819-15 | 47-819-15 | — | — |
| VIESSMANN VITODENS 222-F B2TA 26KW SERIAL No. 7513045 | 47-819-16 | 47-819-16 | — | — |
| VIESSMANN VITODENS 222-F B2TA 35 SERIAL No. 7510827 | — | — | — | |
| VIESSMANN VITODENS 222-F B2TA 35KW SERIAL No. 7513046 | 47-819-17 | 47-819-17 | — | — |
| VIESSMANN VITODENS 222-F B2TB 19 SERIAL NO. 7542250 | — | — | — | |
| VIESSMANN VITODENS 222-F B2TB 35 SERIAL NO. 7542251 | — | — | — |
Documents & drawings
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