Viessmann
Viessmann BT2 Operating Unit 7819947
Viessmann BT2 operating unit, part number 7819947, for Vitodens V200 WB2 gas boilers from 12.11.2002.
At a glance
- Part type: operating unit / control (BT2)
- Also known as 2321656
£390.53
£325.44 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 BT2 operating unit is a Viessmann control component used on the Vitodens V200 WB2 gas boiler family. It provides the user interface and control electronics for setting and monitoring boiler operation. This variant is identified by Viessmann as the operating unit BT2 from 12.11.2002.
Signs this part needs replacing
- The display is blank, dim or illegible while the boiler still runs
- Buttons or dials do not respond when adjusting settings
- The boiler ignores set temperatures or operating modes entered at the control
- Fault codes or lockouts appear that cannot be cleared from the panel
- Intermittent loss of control communication with the boiler
Before you order
- Confirm the boiler model is a Vitodens V200 WB2
- Check the existing control carries the BT2 marking and the 12.11.2002 date reference
- Verify the Viessmann part number 7819947 against the label on the existing unit
- Confirm the appliance serial number where the fitment list specifies one
Compliance
| Alternative numbers | 2321656 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS V200 WB2 48.6/44 KW GAS BOILER SERIAL No. 7159979 | — | — | — |
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.
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