
Riello
Riello Control Box RMO 503SE Z3001150
Riello RMO 503SE burner control box, part number 3001150, replacing the earlier 502SE unit.
At a glance
- Also known as 3200366
- Have a Gas Safe or OFTEC registered engineer carry out the replacement
£386.74
£322.28 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
Riello control box RMO 503SE, part number 3001150, is the burner control unit that sequences ignition and monitors flame on the manufacturer's oil burner range. It replaces the earlier Riello 502SE unit.
Signs this part needs replacing
- Burner locks out repeatedly with no diagnostic fault shown
- Control box fails to power up or hold the ignition sequence
- Burner will not start despite good power supply and fuel
Before you order
- Match the part number 3001150 printed on your existing control box before ordering
- Note that replacing a 502SE with this 503SE unit requires rewiring
- Isolate electrical power before removing the control box
- Have a Gas Safe or OFTEC registered engineer carry out the replacement
Compliance
| Alternative numbers | 3200366 |
|---|
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.
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