
Ariston
Ariston Spindle (On/Off Knob) 998574
On/off knob spindle for Ariston Excalibur 80 and Excalibur 100 boilers, part number 998574.
At a glance
- Part type: spindle (on/off knob)
- Appliance family: Excalibur 80 and Excalibur 100
- Also known as 1591655
£2.33
£1.94 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 Ariston 998574 is a spindle (on/off knob) for Ariston Excalibur boilers. It is the control component used to operate the on/off function on the appliance. It is listed for Excalibur 80 and Excalibur 100 models in both NG and LPG variants.
Signs this part needs replacing
- The on/off knob turns without operating the control
- The spindle is stiff, seized or difficult to turn
- The knob slips on the spindle instead of driving it
- The control cannot be set reliably to the on or off position
Before you order
- Confirm your boiler model and edition against the fitment list
- Check the GC number where shown (47-116-30 or 47-116-31)
- Verify part number 998574 against the manufacturer's parts list for your appliance
- Check whether the knob, the spindle or both require replacement
Compliance
| Alternative numbers | 1591655 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON EXCALIBUR 100 LPG EDITION 1 (JAN 2004) | — | — | — | |
| ARISTON EXCALIBUR 100 NG | — | — | — | |
| ARISTON EXCALIBUR 100 NG EDITION 1 (JAN 2004) | 47-116-31 | 47-116-31 | — | — |
| ARISTON EXCALIBUR 80 LPG EDITION 1 (JAN 2004) | — | — | — | |
| ARISTON EXCALIBUR 80 NG | — | — | — | |
| ARISTON EXCALIBUR 80 NG EDITION 1 (JAN 2004) | 47-116-30 | 47-116-30 | — | — |
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.
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
