Viessmann
Viessmann Round Sealing Ring DIN3770 5 x 2 (5 Pack)
Viessmann round sealing ring to DIN3770, sized 5 x 2 mm, supplied in a pack of five.
At a glance
- Also known as 2321676
£15.46
£12.88 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
This is a Viessmann round sealing ring manufactured to the DIN3770 standard, with a stated size of 5 x 2. It is a small sealing component used within Viessmann gas boiler assemblies to seal a joint or connection point against leakage. The ring is supplied as a pack of five.
Signs this part needs replacing
- Visible weeping or dampness at the joint the ring seals
- The ring shows flattening, cracking, hardening or deformation
- Traces of scale, corrosion or residue around the sealing face
- A joint that has been disturbed during servicing and needs a fresh seal
Before you order
- Confirm the stated size of 5 x 2 matches the ring being replaced
- Check the appliance model and serial number against the fit list above
- Confirm the standard required is DIN3770
- Note that the part is supplied in a pack of five
Compliance
| Alternative numbers | 2321676 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 333-F WS3A SERIAL No. 7190614 | 47-819-07 | 47-819-07 | — | — |
| VIESSMANN VITODENS V200 WB2 48.6/44 KW GAS BOILER SERIAL No. 7159979 | — | — | — |
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.