Viessmann
Viessmann Circuit Board (Lon, IU100-B10) 7841622
Viessmann circuit board carrying part number 7841622 and the Lon, IU100-B10 designations.
At a glance
- Also known as 2322357
£315.90
£263.25 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 7841622 is a circuit board supplied under Viessmann part number 7841622 and identified by the Lon and IU100-B10 designations. It is a printed circuit board assembly used within Viessmann heating equipment, where it forms part of the appliance's electronic control arrangement.
Before you order
- Confirm the existing board carries the number 7841622 and that the Lon and IU100-B10 markings match.
- Check the appliance documentation for the board reference specified for your model.
- Note the wiring connections and connector positions before removing the old board.
- Isolate the appliance from the electrical supply before removal or fitting.
Compliance
| Alternative numbers | 2322357 |
|---|
No fitment data held for this part.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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