Popular OIL
Popular Oil Control Box MG 557-3 Replaces 3020230
Popular Oil Spares MG 557-3 oil boiler control box, listed as a replacement for reference 3020230.
£333.86
£278.22 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
The MG 557-3 is an oil boiler control box from Popular Oil Spares, supplied as a replacement for reference 3020230. It is the control unit that sits within the boiler's burner control circuit, handling the sequence of operation for the oil burner. It is listed for oil boiler applications under the Popular Oil Spares range of oil spare parts.
Before you order
- Check the reference printed on the existing control box and confirm whether 3020230 is the unit being replaced.
- Confirm the boiler or burner accepts the MG 557-3 control box before ordering.
- Isolate the electrical supply to the boiler before removing or fitting the control box.
- Note the position and order of the wiring connections on the old unit before disconnecting it.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POPULAR OIL SPARES AIR DAMPERS | — | — | — | |
| POPULAR OIL SPARES OIL SPARE PARTS | — | — | — |
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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