
Vaillant
Vaillant Heat Exchanger 0020210692
Vaillant heat exchanger 0020210692 for Flexotherm VWF 157/4 and VWF 197/4 appliances.
At a glance
- Appliance family: Flexotherm VWF
- Also known as 1386754
£1,465.85
£1,221.54 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 0020210692 is a heat exchanger used in Vaillant Flexotherm VWF appliances. It transfers heat between the appliance's heating circuit and the domestic hot water or system water, forming the primary heat transfer component within the unit. It is listed by Vaillant under part number 0020210692.
Signs this part needs replacing
- Domestic hot water or heating output that has become inconsistent or noticeably reduced
- Overheating or repeated high-limit trips during normal operation
- Water weeping, staining or residue around the heat exchanger body or its connections
- Scale or sludge build-up restricting flow through the exchanger
- Fault codes or lockouts on the appliance that point to a heat transfer or circulation problem
Before you order
- Confirm the appliance model — VWF 157/4 or VWF 197/4 — matches the fitment list above
- Check the existing component's part number against 0020210692 before removal
- Verify the appliance variant, as Flexotherm and non-Flexotherm VWF models are listed separately
- Inspect associated seals, connections and pipework so any additional items needed are identified before the work starts
Compliance
| Alternative numbers | 1386754 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWF 157/4 | — | — | — | |
| VAILLANT VWF 197/4 | — | — | — | |
| VAILLANT flexoTHERM VWF 157/4 | — | — | — | |
| VAILLANT flexoTHERM VWF 197/4 | — | — | — |
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 technical questions yet for this part.
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