Vaillant
Vaillant Interface Harness 256311
Interface harness, part number 256311, for Vaillant appliances; confirm the part number before ordering.
At a glance
- Also known as 1387438
£9.67
£8.06 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
An interface harness supplied under Vaillant part number 256311. It provides the interface wiring connection between electronic components within a Vaillant appliance. The item is catalogued as a miscellaneous component without an associated appliance fitment list.
Before you order
- Check part number 256311 against the appliance documentation or the marking on the existing harness.
- Confirm that an interface harness is the component required, as no fitment list is published for this item.
- Keep the original harness accessible for comparison during fitting.
Compliance
| Alternative numbers | 1387438 |
|---|
No fitment data held for this part.
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.