Vaillant
Vaillant ecoTEC Plus 624/831 heat exchanger 103411
Primary heat exchanger for the Vaillant ecoTEC Plus 624, 831 and ecoTEC Pro 28 (2005) boiler range.
At a glance
- Also known as 1375306
- Have the replacement fitted by a Gas Safe registered engineer
£821.80
£684.83 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 103411 is the primary heat exchanger fitted to Vaillant's early ecoTEC Plus 624, 831 and ecoTEC Pro 28 boilers and the related VU/VUW 246-316/3-5 range. It transfers the heat produced by the burner into the water circulating through the appliance.
Signs this part needs replacing
- Water leaking from around the heat exchanger
- Reduced or fluctuating hot water/heating output
- Kettling or banging noises when the boiler fires
- Lockouts linked to overheat or flow sensors
Before you order
- Confirm your exact model and production year against the fits list
- Match the part number printed on your existing heat exchanger
- Isolate gas, electricity and water before removal
- Have the replacement fitted by a Gas Safe registered engineer
Compliance
| Barcode / EAN | 4024074479940 |
|---|---|
| Alternative numbers | 1375306 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 624 VU 246-3-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 831 - VUW 316/3-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PRO 28 - VUW 286/3-3 | — | — | — | |
| VAILLANT VU 246/3-5 | 41-044-47 | 41-044-47 | — | — |
| VAILLANT VUW 286/3-3 | 47-044-30 | 47-044-30 | — | — |
| VAILLANT VUW 316/3-5 | 47-044-32 | 47-044-32 | — | — |
| VAILLANT ecoTEC PLUS 624 VU 246/3-5 (2005-2006) | 41-044-47 | 41-044-47 | — | — |
| VAILLANT ecoTEC PLUS 831 VUW 316/3-5 (2005-2005) | 47-044-32 | 47-044-32 | — | — |
| VAILLANT ecoTEC PRO 28 VUW 286/3-3 (2005-2006) | 47-044-30 | 47-044-30 | — | — |
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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