Viessmann
Viessmann O-Ring 28.0 x 2.5 7823415
Viessmann O-ring 28.0 x 2.5 mm, part 7823415, for Vitodens WB2A, WB3A, 333-F and 343-F gas boilers.
At a glance
- Also known as 2320578
£3.70
£3.08 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 7823415 is an O-ring measuring 28.0 x 2.5 mm, used across the Vitodens range of gas boilers. It provides the seal at the joint it is fitted to, preventing leakage past that connection. It applies to appliances manufactured from 28.05.2004.
Signs this part needs replacing
- Cracking, flattening or hardening of the O-ring material
- Water weeping or damp staining around the joint
- Scale or debris trapped on the sealing face
- Recurring pressure loss traced back to the joint
- O-ring deformed or stretched when the joint is opened
Before you order
- Check the boiler model and serial number against the fit list above
- Confirm the O-ring dimensions match the one removed
- Inspect the sealing face for damage before fitting
- Confirm how many O-rings the job requires
Compliance
| Alternative numbers | 2320578 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 333-F WS3A SERIAL No. 7190614 | 47-819-07 | 47-819-07 | — | — |
| VIESSMANN VITODENS 343-F WS4A SERIAL No. 7288384 | 47-819-08 | 47-819-08 | — | — |
| VIESSMANN VITODENS WB2A COMBI 26KW | — | — | — | |
| VIESSMANN VITODENS WB2A COMBI 26KW SERIAL No. 7176541 | 47-819-06 | 47-819-06 | — | — |
| VIESSMANN VITODENS WB2A SYSTEM 26KW | — | — | — | |
| VIESSMANN VITODENS WB2A SYSTEM 26KW SERIAL No. 7176543 | 41-819-11 | 41-819-11 | — | — |
| VIESSMANN VITODENS WB3A COMBI 26KW | — | — | — | |
| VIESSMANN VITODENS WB3A COMBI 26KW SERIAL No. 7176538 | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 26KW | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 26KW SERIAL No. 7176537 | — | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
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