
Vokera
Vokera Extension Nut Special 6891
Vokera extension nut - special, part 6891, for the Excell 80SP boiler.
At a glance
- Appliance family: Vokera Excell 80SP
- Also known as 1530331
Showing prices
£22.66
£18.88 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vokera extension nut - special, part number 6891, is a threaded hydraulic fitting for the Vokera Excell 80SP boiler. It is listed in the Vokera gas boiler spares range under screws, nuts, bolts and clips.
Signs this part needs replacing
- Water weeping or dripping from the nut or its joint
- Corrosion, scale or staining visible on the nut body
- The nut will not hold torque or works loose after tightening
- Rounded or damaged flats on the hex
- Damp marks or residue below the boiler at the connection
Before you order
- Confirm the appliance is a Vokera Excell 80SP.
- Check the old hydraulics variant of the appliance against the manufacturer's parts list.
- Verify that part number 6891 matches the component being replaced.
- Isolate, drain down and depressurise the boiler before removing the existing nut.
Compliance
| GC number | 301-232 |
|---|---|
| Alternative numbers | 1530331 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VOKERA EXCELL 80SP (OLD HYDRAULICS) | 47-094-16 | 47-094-16 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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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