Viessmann
Viessmann Ionisation Electrode 7836489
Viessmann ionisation electrode, part 7836489, for Vitodens 200-W B2HA and B2HB gas boilers.
At a glance
- Appliance family: Vitodens 200-W B2HA and B2HB
- Also known as 2321338
£54.34
£45.28 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 ionisation electrode is a Viessmann flame sensing component used in Vitodens 200-W B2HA and B2HB gas boilers. It sits in the burner circuit and provides the flame signal that the boiler control relies on to confirm combustion and keep the appliance running. This item is listed by Viessmann under part number 7836489.
Signs this part needs replacing
- Boiler locks out shortly after ignition or fails to establish a flame signal
- Repeated flame failure faults logged by the control
- Intermittent ignition, with the burner lighting and then dropping out
- Electrode probe tip showing heavy contamination, erosion or cracking on inspection
Before you order
- Confirm the boiler model and serial number against the fit list above
- Check the existing electrode part number before ordering
- Inspect the electrode probe and its lead for contamination or damage
- Confirm whether the gasket is required for the installation being carried out
Compliance
| Alternative numbers | 2321338 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200-W B2HA 100 SERIAL No. 7510834 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 100 SERIAL No. 7554707 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 45 SERIAL No. 7510831 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 60 SERIAL No. 7510832 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 80 SERIAL No. 7510833 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 80 SERIAL No. 7554705 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 88 SERIAL No. 7554706 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA, 69 TO 99 KW SERIAL No. 7571045 | 41-819-61 | 41-819-61 | — | — |
| VIESSMANN VITODENS 200-W B2HB 45 SERIAL No. 7554703 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HB 57 SERIAL No. 7554704 | — | — | — |
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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