Viessmann
Viessmann Siphon 7822735
Siphon for Viessmann Vitodens WB2A and WB3A gas boilers, part number 7822735.
At a glance
- Appliance family: Vitodens WB2A and WB3A gas boilers
- Also known as 2320520
£27.88
£23.23 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 siphon is the condensate trap fitted to Viessmann Vitodens gas boilers, supplied under part number 7822735. It collects condensate produced during combustion and forms a water seal that prevents flue gases escaping through the condensate discharge. This version is specified for units built from 21.11.2003 onwards.
Signs this part needs replacing
- Water or condensate pooling beneath the boiler around the trap area
- Condensate backing up in the flue or heat exchanger, causing gurgling or lockout
- Visible cracking, distortion or perished seals on the siphon body
- Siphon blocked with sludge or debris that cannot be cleared by flushing
- Persistent damp or acidic odour at the boiler casing
Before you order
- Check the boiler model and variant against the fitment list, as WB2A and WB3A differ
- Confirm the appliance serial number matches one of the listed units
- Inspect the existing trap and its connections for damage before replacement
- Verify the boiler was manufactured on or after 21.11.2003
Compliance
| Alternative numbers | 2320520 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS WB2A COMBI 26KW SERIAL No. 7176541 | 47-819-06 | 47-819-06 | — | — |
| VIESSMANN VITODENS WB2A SYSTEM 26KW SERIAL No. 7176543 | 41-819-11 | 41-819-11 | — | — |
| VIESSMANN VITODENS WB3A COMBI 26KW SERIAL No. 7176538 | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 26KW SERIAL No. 7176537 | — | — | — | |
| VIESSMANN VITODENS WB3A SYSTEM 35KW SERIAL No. 7176539 | — | — | — |
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.
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