Viessmann
Viessmann On/Off Switch Mechanism 7819945
Viessmann on/off switch mechanism, part 7819945, for Vitodens 200 WB2 and WB2A boilers.
At a glance
- Also known as 2321594
£8.51
£7.09 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 on/off switch mechanism, part number 7819945, is the operating mechanism for the on/off switch used across the Vitodens 200 WB2 and WB2A appliance families. It provides the switching action for the boiler control, allowing the appliance to be turned on and off at the switch. This item is supplied as the mechanism only, without the switch.
Signs this part needs replacing
- The boiler cannot be switched on or off at the switch
- The switch mechanism feels loose, stiff or fails to hold position
- Intermittent operation when the switch is operated
- Visible damage, wear or heat marking at the switch mechanism
- No continuity through the switch mechanism when operated
Before you order
- Confirm the appliance model and serial number against the fit list above
- Check the existing switch mechanism and its part number match 7819945
- Note that this is the mechanism only and does not include the switch
- Isolate the electrical supply to the appliance before any work is carried out
Compliance
| Alternative numbers | 2321594 |
|---|
| 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 | — | — | — |
Showing 10 of 11 compatible appliances.
Documents & drawings
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