Viessmann
Viessmann Circuit Board Optolink 7818141
Viessmann Optolink circuit board, part number 7818141, for Vitodens 200 WB2 and WB2A gas boilers.
At a glance
- Appliance family: Vitodens 200 WB2 and WB2A gas boilers
- Also known as 2321650
£94.08
£78.40 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 Optolink circuit board (part number 7818141) is a control PCB used in the Vitodens 200 WB2 and WB2A gas boiler families. It forms part of the appliance's electronic control arrangement, handling the Optolink communication side of the boiler's operation. The board is supplied by Viessmann as a service part for these models.
Signs this part needs replacing
- Boiler fails to fire or locks out with control or communication related fault codes
- No response on the Optolink connection to controls or diagnostic tools
- Display or control panel behaviour becomes erratic or goes blank
- Visible damage, corrosion or burning on the board
Before you order
- Confirm the boiler model and serial number against the fitment list above
- Check the existing board's part number marking against 7818141
- Isolate the appliance from the electrical supply before any board removal
- Verify the fault is with the board itself and not the wiring or connected controls
Compliance
| Alternative numbers | 2321650 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200 WB2 6-24 SERIAL No. 7167064 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 6-24C SERIAL No. 7167063 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 8-32 SERIAL No. 7167065 | — | — | — | |
| 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 200 WB2A 6-24 SERIAL No. 7170318 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 6-24C SERIAL No. 7170317 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 8-32 SERIAL No. 7170319 | — | — | — |
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Documents & drawings
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