Riello
Riello Interior Tube 3003857
Riello interior tube, part 3003857, for RS 28 and RS 28/1 oil burners.
At a glance
- Appliance family: RS 28 and RS 28/1 oil burners
- Also known as 3202979
Showing prices
£32.15
£26.79 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 3003857 is an interior tube for Riello RS 28 and RS 28/1 oil burners. It is a spare component within the burner assembly, listed under oil boiler spares. The part is identified by Riello part number 3003857.
Signs this part needs replacing
- Visible corrosion, scaling or heat discolouration on the tube
- Distortion, cracking or burn-through of the tube surface
- Soot or carbon deposits that cannot be cleaned off
- Unstable flame or combustion readings that adjustment cannot correct
- Physical damage found during routine burner servicing
Before you order
- Confirm the burner model and code on the appliance data plate
- Check the burner type (809-T1 or 818-T1) against the fitment list
- Verify the existing part number is 3003857
- Inspect the burner assembly for other components that may also need replacing
Compliance
| Alternative numbers | 3202979 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| RIELLO BURNER SPARES | — | — | — | |
| RIELLO RS 28 - CODE 3783220 - TYPE 809-T1 | — | — | — | |
| RIELLO RS 28 - CODE 3783222 - TYPE 809-T1 | — | — | — | |
| RIELLO RS 28 - CODE 3783300 - TYPE 809 T1 | — | — | — | |
| RIELLO RS 28 - CODE 3783302 - TYPE 809-T1 | — | — | — | |
| RIELLO RS 28/1 - CODE 3782017 - TYPE 818-T1 | — | — | — | |
| RIELLO RS 28/1 - CODE 3782022 - TYPE 818-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 — RS 28 - CODE 3783220 - TYPE 809-T1, RS 28 - CODE 3783222 - TYPE 809-T1
manualmanualRIELLO appliance manual — RS 28 - CODE 3783300 - TYPE 809 T1, RS 28 - CODE 3783302 - TYPE 809-T1
manualmanualRIELLO appliance manual — RS 28/1 - CODE 3782017 - TYPE 818-T1
manualmanualRIELLO appliance manual — RS 28/1 - CODE 3782022 - TYPE 818-T1
manualNo 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.