Viessmann
Viessmann O-Ring 7822894
Viessmann O-ring set of five seals, 17.86 x 2.62 mm, for Vitodens gas boilers.
At a glance
- Also known as 2320540
£15.60
£13.00 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 7822894 O-ring set contains five seals measuring 17.86 x 2.62 mm. It is used on Vitodens gas boilers to seal connector joints and prevent leaks at the pipework connection. Viessmann lists the part as a connector set of seals, applicable from 21.11.2003.
Signs this part needs replacing
- Water weeping or damp staining around the connector joint
- O-rings that are cracked, flattened or hardened
- Scale or debris visible on the seal surface
- Small pressure loss or recurring drips at the connection
- Leaks that return after the joint has been re-tightened
Before you order
- Confirm your appliance model and serial number against the fit list
- Check the existing O-ring dimensions match 17.86 x 2.62 mm
- Confirm how many seals the joint requires
- Check the appliance was manufactured on or after 21.11.2003
Compliance
| Alternative numbers | 2320540 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 100-W B1HA 26 SERIAL No. 7560853 | — | — | — | |
| VIESSMANN VITODENS 100-W B1HA 35 SERIAL No. 7560854 | — | — | — | |
| VIESSMANN VITODENS 100-W B1KA 35 SERIAL No. 7560855 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 19 KW SYSTEM SERIAL No. 7454868 | 41-819-32 | 41-819-32 | — | — |
| 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 B2HB 19 KW SYSTEM SERIAL No. 7570787 | 41-819-32 | 41-819-32 | — | — |
| VIESSMANN VITODENS 200-W B2HB 26 KW SYSTEM SERIAL No. 7570788 | 41-819-33 | 41-819-33 | — | — |
| VIESSMANN VITODENS 200-W B2HB 30 KW SYSTEM SERIAL No. 7570790 | 41-819-34 | 41-819-34 | — | — |
| VIESSMANN VITODENS 200-W B2HB 35 KW SYSTEM SERIAL No. 7570792 | 41-819-35 | 41-819-35 | — | — |
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