Viessmann
Viessmann Cable Wiring Harness X8/X9 7823012
Cable wiring harness X8/X9 for Viessmann Vitodens WB3A System boilers, part number 7823012, for units from 15 January 2004.
At a glance
- Also known as 2321658
£71.48
£59.57 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 is a wiring loom for Vitodens WB3A System boilers, supplied under part number 7823012. It carries the electrical connections at the X8 and X9 plug positions on the appliance. This version applies to boilers manufactured from 15 January 2004.
Signs this part needs replacing
- Intermittent boiler operation or unexplained lockouts
- Faults or error codes traced to the X8 or X9 connections
- Frayed, cracked or heat-damaged cable insulation
- Discoloured, scorched or loose connector terminals
- Boiler failing to respond correctly to controls or sensors routed through the harness
Before you order
- Confirm the appliance is a Vitodens WB3A System model
- Check the boiler serial number against the fitment list
- Verify the boiler was manufactured from 15 January 2004
- Identify the X8 and X9 plug positions on the existing harness before removal
Compliance
| Alternative numbers | 2321658 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS WB3A SYSTEM 49KW | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 49KW SERIAL No. 7176778 | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 66KW | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 66KW SERIAL No. 7176779 | — | — | — |
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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