
Riello
Riello R40 G3/Mectron block electrode 3005721
Genuine Riello block electrode assembly, part number 3005721, for the R40 G3 and Mectron 2/3 burner range.
At a glance
- Also known as 3200138
£30.40
£25.33 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
This is a genuine Riello block electrode assembly, manufacturer part number 3005721, used on the Riello R40 G3 and Mectron 2/3 oil burner range. It creates the spark that ignites the fuel-air mixture at the combustion head.
Signs this part needs replacing
- Burner fails to ignite or ignition is delayed
- Intermittent lockouts on start-up
- Visible pitting, carbon build-up or cracking on the electrode
- Weak or erratic spark when the burner fires
Before you order
- Match part number 3005721 against the marking on your existing electrode
- Confirm your burner is one of the R40 G3/Mectron variants listed above
- Isolate power and fuel supply before removing the electrode assembly
Compliance
| Alternative numbers | 3200138 |
|---|
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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