Viessmann
Viessmann motor electronic RLS154 7824755
Genuine Viessmann electronic motor control for the RLS154 radial fan, fitted to Vitodens 300 WB3A commercial boilers.
At a glance
- Part type: fan motor electronic control unit
- Also known as 2321500
- Have this fitted by a Gas Safe registered engineer
£572.26
£476.88 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
This is Viessmann's electronic motor control unit for the RLS154 radial fan. It regulates the speed and operation of the combustion fan on Viessmann's larger Vitodens commercial appliances.
Signs this part needs replacing
- Boiler locks out on a fan or airflow fault
- Fan runs at the wrong speed or fails to modulate correctly
- Fan fails to start despite the motor itself turning freely
- Erratic or intermittent fan operation
Before you order
- Match the part number printed on your existing control unit before ordering
- Isolate electrical power before removing the old part
- Have this fitted by a Gas Safe registered engineer
Compliance
| Alternative numbers | 2321500 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS WB3A SYSTEM 49KW SERIAL No. 7176778 | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 66KW SERIAL No. 7176779 | — | — | — |
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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