
Viessmann
Viessmann Electronics Box RLS154 7818151
Viessmann electronics box, RLS154 (unfin.), from 12.11.2002, part number 7818151, for Vitodens gas boilers.
At a glance
- Appliance family: Vitodens gas boilers
- Also known as 2320418
£666.42
£555.35 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 ELECTRONICS BOX, RLS154 (UNFIN.) FROM 12.11.2002 is the control electronics box used on Viessmann Vitodens gas boilers. It carries the boiler control electronics and is specified for appliances built from 12 November 2002. It is supplied under Viessmann part number 7818151.
Signs this part needs replacing
- The boiler fails to power up or the control display stays blank.
- Lockout or fault codes are shown that clear only temporarily, or not at all.
- The boiler does not respond to heating or hot water demand from the controls.
- Heating operation becomes intermittent with no change to the external controls or system.
- Visible damage, moisture ingress or burning at the electronics box.
Before you order
- Confirm the boiler model and serial number against the fitment list above.
- Check the existing electronics box part number and the appliance build date from 12.11.2002.
- Confirm the fault is traced to the electronics box and not to sensors, wiring or external controls.
- Fitting is normally carried out by a competent heating engineer; isolate the electrical supply before work.
Compliance
| Alternative numbers | 2320418 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS V200 WB2 48.6/44 KW GAS BOILER SERIAL No. 7159979 | — | — | — | |
| 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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