Viessmann
Viessmann Gasket 1¼" 7835225
Viessmann 7835225 1¼ inch gasket, supplied as a set of five for Vitodens 200-W B2HA and B2HB appliances.
At a glance
- Also known as 8907081
Showing prices
£16.43
£13.69 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Viessmann 7835225 is a 1¼ inch gasket supplied as a set of five. It seals the joint on Viessmann Vitodens 200-W B2HA and B2HB appliances.
Signs this part needs replacing
- Weeping or damp staining at the sealed joint
- Gasket visibly hardened, flattened or cracked
- Crusting, scale or corrosion deposits at the sealing face
- Slight pressure loss or air ingress at the connection
Before you order
- Confirm the appliance model and serial number against the fitment list
- Check the gasket size matches the connection being sealed
- Note the pack contains five gaskets
Compliance
| Alternative numbers | 8907081 |
|---|
| 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 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 B2HB 45 SERIAL No. 7554703 | — | — | — |
Showing 10 of 11 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
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