
Viessmann
Viessmann Water Switch 7822762
Water switch for Viessmann Vitodens WB2A and WB3A Combi 26KW boilers built from 21 November 2003.
At a glance
- Appliance family: Vitodens WB2A and WB3A Combi 26KW
- Also known as 2320478
£36.97
£30.81 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 7822762 is a water switch (flow switch) for Viessmann Vitodens combi boilers, specified for appliances built from 21 November 2003. It detects water flow through the boiler and signals the control to respond to demand. It is a serviceable component for the Vitodens WB2A and WB3A Combi 26KW models.
Signs this part needs replacing
- Boiler does not fire when a hot tap is opened
- Hot water runs cold or fluctuates between hot and cold
- Flow switch fails to register demand, so the boiler stays in standby
- Intermittent or delayed hot water response
- Boiler locks out or shows a fault during draw-off
Before you order
- Confirm the appliance is a Vitodens WB2A or WB3A Combi 26KW
- Check the serial number against the fit list above where applicable
- Confirm the appliance was manufactured on or after 21 November 2003
- Quote part number 7822762 when ordering
Compliance
| Alternative numbers | 2320478 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS WB2A COMBI 26KW | — | — | — | |
| VIESSMANN VITODENS WB2A COMBI 26KW SERIAL No. 7176541 | 47-819-06 | 47-819-06 | — | — |
| VIESSMANN VITODENS WB3A COMBI 26KW | — | — | — | |
| VIESSMANN VITODENS WB3A COMBI 26KW SERIAL No. 7176538 | — | — | — |
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.
No technical questions yet for this part.
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