Vaillant
Vaillant Heat Exchanger 180912
Heat exchanger for Vaillant VU 656 gas boilers, transferring heat from combustion gases to the heating and hot water circuit.
At a glance
- Appliance family: VU 656 gas boilers
- Also known as 1376596
£1,978.75
£1,648.96 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 180912 is a heat exchanger for Vaillant gas boilers. It transfers heat from the combustion gases to the heating and hot water circuit. This component is used in the VU 656 range of appliances.
Signs this part needs replacing
- Water leaking from the heat exchanger body or connections.
- Kettling, banging or rumbling noises during heating.
- Poor heating performance or inconsistent hot water.
- Discoloured or dirty water in the heating system.
- Repeated boiler lockouts or overheating faults.
Before you order
- Confirm your boiler model and GC number match the list above.
- Check the existing part number on the component or in the manufacturer's parts list.
- Inspect associated seals, gaskets and connections for wear before fitting.
- Ensure the system is drained and isolated before replacement.
Compliance
| Barcode / EAN | 4024074479148 |
|---|---|
| Alternative numbers | 1376596 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 656-7 | 41-044-59 | 41-044-59 | — | — |
| VAILLANT VU 656/4-5 | 41-044-59 | 41-044-59 | — | — |
| VAILLANT ecoMAX 665 VU 656-7 (2006-2006) | 41-044-59 | 41-044-59 | — | — |
| VAILLANT ecoTEC VU 656/4-5 (2007-2015) | 41-044-59 | 41-044-59 | — | — |
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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