Viessmann
Viessmann Circuit Board Connection Box 7818380
Circuit board for the connection box on Viessmann Vitodens 200 WB2 and V200 WB2 gas boilers.
At a glance
- Also known as 2321738
£221.83
£184.86 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 7818380 is a circuit board for the connection box on Vitodens 200 WB2 and V200 WB2 gas boilers. It is specific to WB2-44/60 models and applies to units from 12 November 2002 onwards. The board forms part of the connection box assembly within the appliance.
Signs this part needs replacing
- Boiler fails to power up or the display remains blank
- Repeated lockouts or fault codes linked to the connection box
- Intermittent electrical faults or loss of communication with controls
- Visible burn marks, corrosion or damaged tracks on the board
- Boiler shuts down unexpectedly during operation
Before you order
- Confirm your boiler model and serial number against the fit list above
- Check the appliance was manufactured from 12 November 2002 onwards
- Compare the part number on the existing board with 7818380
- Isolate the power supply before removing or fitting the board
Compliance
| Alternative numbers | 2321738 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200 WB2 11-44 SERIAL No. 7167066 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 11-44 SERIAL No. 7188578 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 15-60 SERIAL No. 7167067 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 15-60 SERIAL No. 7188577 | — | — | — | |
| VIESSMANN VITODENS V200 WB2 48.6/44 KW GAS BOILER SERIAL No. 7159979 | — | — | — | |
| VIESSMANN VITODENS V200 WB2 48.6/44KW | — | — | — |
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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