Vaillant
Vaillant Heat Exchanger (Superheater) 0020058778
Superheater heat exchanger for Vaillant VWS 220/2 and VWS 300/2 appliances, rated 22-30 kW.
At a glance
- Also known as 1382986
£240.54
£200.45 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 Vaillant 0020058778 is a superheater heat exchanger rated for 22-30 kW appliances. It transfers heat within the hot water circuit, raising the stored water to its final temperature. It is fitted to Vaillant VWS 220/2 and VWS 300/2 units.
Signs this part needs replacing
- Water weeping or visible staining around the heat exchanger body or its connections
- Scale or sludge build-up reducing heat transfer and lowering hot water temperatures
- Overheating or the appliance cycling on its high limit thermostat
- Kettling or unusual noise from the heat exchanger during operation
- Corrosion or pitting on the exchanger surface
Before you order
- Confirm the appliance is a Vaillant VWS 220/2 or VWS 300/2
- Check the part number 0020058778 against the existing component or the manufacturer's parts list
- Verify the appliance output falls within the 22-30 kW range
- Inspect associated seals, gaskets and connections for reuse or replacement
Compliance
| Alternative numbers | 1382986 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWS 220/2 | — | — | — | |
| VAILLANT VWS 300/2 | — | — | — |
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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