Vaillant
Vaillant Expansion Vessel 8000042649
Vaillant 8000042649 expansion vessel, used to absorb thermal expansion in sealed heating systems.
At a glance
- Also known as 1338274
£327.84
£273.20 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 8000042649 is an expansion vessel for Vaillant heating systems. It absorbs the thermal expansion of water in a sealed central heating circuit, helping to keep system pressure within safe operating limits. The component is identified by manufacturer part number 8000042649.
Before you order
- Confirm the part number 8000042649 matches the component being replaced.
- Check that the expansion vessel is suitable for the specific Vaillant appliance model and system pressure requirements.
- Verify connection sizes and mounting arrangements against the existing vessel before ordering.
Compliance
| Alternative numbers | 1338274 |
|---|
No fitment data held for this part.
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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