Thorn
Thorn Spark Electrode Kigass 7941
Spark electrode for Thorn Olympic 20/35F and 38/50F boilers, used to ignite the gas burner.
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Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Thorn spark electrode (Kigass 7941) is an ignition component for Thorn Olympic F series boilers. It provides the spark that ignites the main gas burner. The part is listed for the Thorn Olympic 20/35F and 38/50F models.
Signs this part needs replacing
- Boiler fails to ignite or lights intermittently.
- No spark visible at the electrode during an ignition attempt.
- Boiler locks out repeatedly.
- Electrode tip is worn, cracked or heavily sooted.
- Ceramic insulator is cracked or damaged.
Before you order
- Confirm the boiler model is Thorn Olympic 20/35F or 38/50F.
- Check the existing electrode is marked Kigass 7941.
- Inspect the ignition lead and its connection for damage.
- Isolate the electrical supply and gas before carrying out any work.
Compliance
| GC number | 384-087 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| THORN OLYMPIC 20/35F | 41-789-65 | 41-789-65 | — | — |
| THORN OLYMPIC 38/50F | 41-789-66 | 41-789-66 | — | — |
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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