
Main
Main Combustion Chamber Sub-Assembly 238072
Combustion chamber sub-assembly 3F/WAY, part 238072, for selected Main and Potterton gas boilers.
At a glance
- Also known as 1121574
- Work on the combustion chamber must be carried out by a Gas Safe registered engineer
£74.22
£61.85 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 combustion chamber sub-assembly 3F/WAY is a Main-manufactured component for gas boilers, listed under burner spares. It forms the enclosed chamber in which combustion takes place, containing the burner flame and directing flue gases towards the heat exchanger. Part number 238072.
Signs this part needs replacing
- Visible corrosion, cracking or distortion of the chamber walls
- Soot or heavy carbon deposits inside the chamber
- Discolouration or heat damage indicating overheating
- Combustion readings outside the expected range during servicing
- Signs of flue gas leakage around the chamber seals or joints
Before you order
- Confirm your boiler model against the fitment list above
- Check the existing part number 238072 matches the component being replaced
- Inspect the chamber and its seals for damage before ordering
- Work on the combustion chamber must be carried out by a Gas Safe registered engineer
Compliance
| GC number | 114-835 |
|---|---|
| Barcode / EAN | 5039177601715 |
| Alternative numbers | 1121574 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN HEATING ONLY 12 HE | 41-474-02 | 41-474-02 | — | — |
| MAIN MAIN HEATING ONLY 15 HE | 41-474-03 | 41-474-03 | — | — |
| MAIN MAIN HEATING ONLY 9 HE | 41-474-01 | 41-474-01 | — | — |
| POTTERTON PERFORMA HE 12 SL | 41-592-06 | 41-592-06 | — | — |
| POTTERTON PERFORMA HE 15 SL | 41-592-07 | 41-592-07 | — | — |
| POTTERTON PERFORMA HE 18 SL | 41-592-08 | 41-592-08 | — | — |
| POTTERTON PERFORMA HE 21 SL | 41-592-09 | 41-592-09 | — | — |
| POTTERTON PERFORMA HE 24 SL | 41-592-10 | 41-592-10 | — | — |
| POTTERTON PERFORMA HE 9 SL | 41-592-05 | 41-592-05 | — | — |
| POTTERTON SUPRIMA 30 | 41-607-75 | 41-607-75 | — | — |
Showing 10 of 20 compatible appliances.
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.
MAIN appliance manual — MAIN HEATING ONLY 12 HE (GC 41-474-02), MAIN HEATING ONLY 15 HE (GC 41-474-03), MAIN HEATING ONLY 9 HE (GC 41-474-01)
manualmanualPOTTERTON appliance manual — PERFORMA HE 12 SL (GC 41-592-06), PERFORMA HE 15 SL (GC 41-592-07), PERFORMA HE 18 SL (GC 41-592-08), PERFORMA HE 21 SL (GC 41-592-09), PERFORMA HE 24 SL (GC 41-592-10), PERFORMA HE 9 SL (GC 41-592-05)
manualmanualPOTTERTON appliance manual — SUPRIMA 30 (GC 41-607-75), SUPRIMA 40 (GC 41-607-76), SUPRIMA 50 (GC 41-607-77), SUPRIMA 60 (GC 41-607-78)
manualmanualPOTTERTON appliance manual — SUPRIMA 30 HE (GC 41-075-35), SUPRIMA 40 HE (GC 41-075-36), SUPRIMA 50 HE (GC 41-075-37)
manualmanualPOTTERTON appliance manual — SUPRIMA 30 L (GC 41-590-42), SUPRIMA 40 L (GC 41-590-43), SUPRIMA 50 L (GC 41-590-44), SUPRIMA 60 L (GC 41-590-45)
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