Viessmann
Viessmann Flow Sensor 7818547
Flow sensor for Viessmann Vitodens 200 WB2 boilers, part number 7818547.
At a glance
- Appliance family: Vitodens 200 WB2
- Also known as 2321740
£134.04
£111.70 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 FLOW SENSOR is a Viessmann component, part number 7818547, used on Vitodens 200 WB2 boilers. It monitors water flow through the appliance and supplies a signal to the boiler control, which uses it to confirm circulation and permit firing.
Signs this part needs replacing
- Boiler fails to fire or locks out during a demand for heat or hot water
- Hot water demand does not trigger the boiler despite water flowing
- Intermittent heating or hot water with no clear pattern
- A flow or circulation related fault recorded by the boiler control
Before you order
- Confirm the boiler model and serial number match those listed in the fits section
- Check the part number on the existing sensor is 7818547
- Inspect the sensor connection point and wiring for damage before fitting
Compliance
| Alternative numbers | 2321740 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200 WB2 11-44 SERIAL No. 7167066 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 15-60 SERIAL No. 7167067 | — | — | — |
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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