Viessmann
Viessmann Counter Plug Neptune 7837898
Viessmann counter plug Neptune, part 7837898, for Vitodens 200-W and 222-F boilers.
At a glance
- Also known as 2322052
£56.71
£47.26 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 Counter Plug Neptune is a Viessmann spare component supplied under part number 7837898. It is fitted to Viessmann Vitodens 200-W and Vitodens 222-F appliances across the B2HA, B2HB, B2KA, B2KB, B2TA and B2TB ranges, where it closes off the relevant port in the appliance assembly.
Signs this part needs replacing
- Dampness or weeping traced to the plug seating
- Corrosion or scale build-up on the plug face or threads
- Thread or body damage found when the plug is removed for inspection
- Leak identified at the plug during servicing or a pressure test
Before you order
- Confirm the appliance model and serial number against the fitment list above
- Check the part number 7837898 against the appliance parts listing
- Confirm the appliance variant letter code (B2HA, B2HB, B2KA, B2KB, B2TA or B2TB) before ordering
Compliance
| Alternative numbers | 2322052 |
|---|
| 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 112 SERIAL No. 7510835 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 150 SERIAL No. 7510836 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 19 KW SYSTEM SERIAL No. 7454868 | 41-819-32 | 41-819-32 | — | — |
| VIESSMANN VITODENS 200-W B2HA 19 SERIAL No. 7510828 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 28 SERIAL No. 7510829 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 30 KW SYSTEM SERIAL No. 7454871 | 41-819-34 | 41-819-34 | — | — |
| VIESSMANN VITODENS 200-W B2HA 35 KW SYSTEM SERIAL No. 7454873 | 41-819-35 | 41-819-35 | — | — |
| VIESSMANN VITODENS 200-W B2HA 35 SERIAL No. 7510830 | — | — | — |
Showing 10 of 40 compatible appliances.
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 technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.