Viessmann
Viessmann Motherboard Low Voltage MB200 7837148
Viessmann low voltage motherboard MB200 for the Vitotronic 200-H control platform.
At a glance
- Also known as 2321856
£279.25
£232.71 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 Motherboard (Low Voltage, MB200) is a control board used in Viessmann Vitotronic 200-H heating control systems. It carries the low voltage control circuitry that manages the appliance's regulating and sequencing functions. The board is identified by Viessmann part number 7837148 and the MB200 designation.
Signs this part needs replacing
- The appliance fails to power up or run its normal control sequence
- Fault codes relating to the control PCB are displayed on the controller
- Heating or hot water operation becomes erratic with no other component fault found
- Visible damage, scorching or corrosion on the board
- Repeated fuse failure on the low voltage side of the control circuit
Before you order
- Confirm the existing board is marked MB200 and carries Viessmann part number 7837148
- Check the appliance model and control platform match the fitment listed above
- Inspect wiring, plugs and fuses before condemning the board
- Confirm the board's connectors and layout match the unit being repaired
Compliance
| Alternative numbers | 2321856 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITOTRONIC 200-H HK1B SERIAL No. 7514783 | — | — | — |
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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