
Potterton
Potterton Klixon S502259
Klixon thermal switch marked 100 4°C, Potterton part S502259, for the Potterton Derwent Prestige PLUS gas boiler.
At a glance
- Appliance family: Potterton Derwent Prestige PLUS
- Also known as 1126136
£109.20
£91.00 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 Potterton S502259 is a Klixon thermal switch marked 100 4°C, supplied for Potterton gas boilers. It is used in the temperature control circuit of the appliance. It is listed for the Potterton Derwent Prestige PLUS.
Signs this part needs replacing
- Boiler locks out or shuts down unexpectedly during a heating cycle
- Boiler fails to fire, or fires intermittently
- Overheat fault codes or repeated lockouts requiring a manual reset
- Erratic temperature control or short cycling
Before you order
- Confirm the appliance is a Potterton Derwent Prestige PLUS
- Check the part number S502259 against the component being replaced
- Verify the marking on the existing Klixon matches 100 4°C
- Isolate the electrical supply before removing or fitting the switch
Compliance
| Barcode / EAN | 5039177544043 |
|---|---|
| Alternative numbers | 1126136 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON POTTERTON DERWENT PRESTIGE PLUS | — | — | — |
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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