
Vokera
Vokera Expansion Vessel 20138101
8 litre expansion vessel for Vokera Easi-Heat Plus, Vision and other boiler ranges.
At a glance
- Also known as 1533933
£145.74
£121.45 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 Vokera 20138101 is an 8 litre expansion vessel used in Vokera gas boilers, including the Easi-Heat Plus and Vision ranges. It absorbs the expansion of water as the system heats up, keeping pressure stable within the sealed heating circuit. The part supersedes 188388.
Signs this part needs replacing
- Boiler pressure rises sharply when the system heats up and drops again once it cools
- System pressure is repeatedly lost and needs frequent topping up
- Water discharges from the pressure relief valve during normal operation
- The vessel feels heavy or water is heard inside it when the Schrader valve is depressed
- Visible corrosion, weeping or a split at the vessel connection
Before you order
- Confirm the boiler model and range against the fitment list above
- Check the existing vessel's capacity and connection arrangement match the 8 litre unit
- Verify the part number on the existing component or the manufacturer's parts list for your appliance
- Check whether the vessel is serviceable in situ before committing to a replacement
Compliance
| Alternative numbers | 1533933 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VOKERA PROCOMBI CT25 | — | — | — | |
| VOKERA PROCOMBI CT29 | — | — | — | |
| VOKERA VOKERA COMPACT 24 SE | — | — | — | |
| VOKERA VOKERA COMPACT 25 | — | — | — | |
| VOKERA VOKERA COMPACT 25A ERP | — | — | — | |
| VOKERA VOKERA COMPACT 29A ERP | — | — | — | |
| VOKERA VOKERA EASI HEAT PLUS 30S | — | — | — | |
| VOKERA VOKERA EASI-HEAT PLUS 24S | — | — | — | |
| VOKERA VOKERA EASI-HEAT PLUS 25C | — | — | — | |
| VOKERA VOKERA EASI-HEAT PLUS 29C | — | — | — |
Showing 10 of 33 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.
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