Viessmann
Viessmann Vitodens 300 WB3A radial fan RLS154 35kW 7831036
Combustion air radial fan for the 35kW Viessmann Vitodens 300 WB3A boiler.
At a glance
- Also known as 2321364
- Have the replacement fitted by a Gas Safe registered engineer
£1,009.85
£841.54 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 7831036 is the RLS154 radial fan fitted to the 35kW version of the Viessmann Vitodens 300 WB3A boiler. It draws air into the burner for combustion and supports correct flue gas extraction.
Signs this part needs replacing
- Fan is noisy, grinding or vibrating when running
- Boiler locks out on a fan or airflow fault
- Fan runs on but the boiler will not fire
- Reduced heat output alongside unusual fan behaviour
Before you order
- Confirm your exact model, kW rating and serial number
- Match the part number printed on your existing fan
- Isolate electrical power and gas before removal
- Have the replacement fitted by a Gas Safe registered engineer
Compliance
| Alternative numbers | 2321364 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS WB3A SYSTEM 35KW SERIAL No. 7176539 | — | — | — |
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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