Riello
Riello Diffuser Disc 3003791
Riello 3003791 diffuser disc (flame disc) for Riello RL 28 oil burners.
At a glance
- Also known as 3202874
Showing prices
£34.87
£29.06 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 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 Riello 3003791 is a diffuser disc, also listed as a flame disc, for Riello oil burners. It is a component used in the combustion head of Riello RL 28 burner models. Its function is to diffuse air and shape the flame within the burner.
Signs this part needs replacing
- Visible cracks, warping or distortion of the disc
- Heavy carbon build-up or sooting on the disc surface
- Unstable flame or poor combustion performance
- Burner lockouts or ignition problems
- Overheating or discolouration of the metal
Before you order
- Confirm your burner model and code against the fitment list
- Check the existing part number on the old disc
- Inspect the combustion head for related wear
- Ensure the replacement matches the burner type
Compliance
| Barcode / EAN | 4010009938309 |
|---|---|
| Alternative numbers | 3202874 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| RIELLO BURNER SPARES | — | — | — | |
| RIELLO RL 28 - CODE 3473220 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473221 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473222 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473223 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473230 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473231 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473232 - TYPE 652-T1 | — | — | — | |
| RIELLO RL 28 - CODE 3473233 - TYPE 652-T1 | — | — | — |
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.
manual
RIELLO appliance manual — RL 28 - CODE 3473220 - TYPE 652-T1, RL 28 - CODE 3473221 - TYPE 652-T1, RL 28 - CODE 3473222 - TYPE 652-T1, RL 28 - CODE 3473223 - TYPE 652-T1
manualmanualRIELLO appliance manual — RL 28 - CODE 3473230 - TYPE 652-T1, RL 28 - CODE 3473231 - TYPE 652-T1
manualmanualRIELLO appliance manual — RL 28 - CODE 3473232 - TYPE 652-T1
manualmanualRIELLO appliance manual — RL 28 - CODE 3473233 - TYPE 652-T1
manualNo technical questions yet for this part.
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Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.