Viessmann
Viessmann Gasket Assortment 1/2 3/4 7820128
Viessmann 7820128 gasket assortment in 1/2 and 3/4 sizes for Vitodens 200 WB2 and WB2A boilers.
At a glance
- Also known as 2320566
£17.26
£14.38 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 7820128 is a gasket assortment supplied in 1/2 and 3/4 sizes for Vitodens 200 WB2 and WB2A boilers. It seals threaded and flanged connections in the boiler's water and gas circuits, preventing weeping at joints. The assortment applies to WB2 and WB2A models built from 10.12.2003.
Signs this part needs replacing
- Weeping or dripping at gasket joints on the boiler
- Visible hardening, cracking or flattening of the gasket
- Damp staining or corrosion around connections
- Water marks or residue beneath the appliance
- Gasket disturbed during servicing and no longer sealing
Before you order
- Confirm your boiler model and serial number against the fit list
- Check whether the connection you are sealing is 1/2 or 3/4
- Isolate the appliance and depressurise before fitting
- Check the manufacturer's parts list for your exact model variant
Compliance
| Alternative numbers | 2320566 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200 WB2 6-24 SERIAL No. 7167064 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 6-24C SERIAL No. 7167063 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 8-32 SERIAL No. 7167065 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 11-44 SERIAL No. 7167066 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 11-44 SERIAL No. 7188578 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 15-60 SERIAL No. 7167067 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 15-60 SERIAL No. 7188577 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 6-24 SERIAL No. 7170318 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 6-24C SERIAL No. 7170317 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 8-32 SERIAL No. 7170319 | — | — | — |
Showing 10 of 14 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 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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.