
Potterton
Potterton Kingfisher MF heat exchanger assembly 242100
Primary heat exchanger assembly fitted across the Potterton Kingfisher MF boiler range.
At a glance
- Also known as 1121778
- Have the replacement fitted by a Gas Safe registered engineer
£939.60
£783.00 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 242100 is the primary heat exchanger assembly used across Potterton's Kingfisher MF boiler range. It transfers the heat produced by the burner into the water circulating through the appliance.
Signs this part needs replacing
- Water leaking from around the heat exchanger
- Reduced or fluctuating hot water/heating output
- Kettling or banging noises when the boiler fires
- Lockouts linked to overheat or flow sensors
Before you order
- Confirm your exact model and output rating against the fits list
- Match the part number printed on your existing heat exchanger
- Isolate gas, electricity and water before removal
- Have the replacement fitted by a Gas Safe registered engineer
Compliance
| GC number | E02-326 |
|---|---|
| Barcode / EAN | 5039177608516 |
| Alternative numbers | 1121778 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON KINGFISHER MF CF100 | 41-589-12 | 41-589-12 | — | — |
| POTTERTON KINGFISHER MF CF40 | 41-589-02 | 41-589-02 | — | — |
| POTTERTON KINGFISHER MF CF50 | 41-589-03 | 41-589-03 | — | — |
| POTTERTON KINGFISHER MF CF60 | 41-589-04 | 41-589-04 | — | — |
| POTTERTON KINGFISHER MF CF70 | 41-589-09 | 41-589-09 | — | — |
| POTTERTON KINGFISHER MF CF80 | 41-589-10 | 41-589-10 | — | — |
| POTTERTON KINGFISHER MF CF90 | 41-589-11 | 41-589-11 | — | — |
| POTTERTON KINGFISHER MF CFL100 | 41-590-34 | 41-590-34 | — | — |
| POTTERTON KINGFISHER MF CFL40 | 41-590-27 | 41-590-27 | — | — |
| POTTERTON KINGFISHER MF CFL50 | 41-590-28 | 41-590-28 | — | — |
Showing 10 of 54 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.
POTTERTON appliance manual — KINGFISHER MF CF100 (GC 41-589-12), KINGFISHER MF CF40 (GC 41-589-02), KINGFISHER MF CF50 (GC 41-589-03), KINGFISHER MF CF60 (GC 41-589-04), KINGFISHER MF CF70 (GC 41-589-09), KINGFISHER MF CF80 (GC 41-589-10), KINGFISHER MF CF90 (GC 41-589-11)
manualmanualPOTTERTON appliance manual — KINGFISHER MF CFL100 (GC 41-590-34), KINGFISHER MF CFL40 (GC 41-590-27), KINGFISHER MF CFL50 (GC 41-590-28), KINGFISHER MF CFL60 (GC 41-590-29), KINGFISHER MF CFL70 (GC 41-590-30), KINGFISHER MF CFL80 (GC 41-590-31), KINGFISHER MF CFL90 (GC 41-590-32), KINGFISHER MF RSL100 (GC 41-590-41), KINGFISHER MF RSL50 (GC 41-590-36), KINGFISHER MF RSL60 (GC 41-590-37), KINGFISHER MF RSL70 (GC 41-590-38), KINGFISHER MF RSL80 (GC 41-590-39), KINGFISHER MF RSL90 (GC 41-590-40)
manualmanualPOTTERTON appliance manual — KINGFISHER MF RS100 (GC 41-589-01), KINGFISHER MF RS40 (GC 41-593-88), KINGFISHER MF RS50 (GC 41-393-95), KINGFISHER MF RS60 (GC 41-393-96), KINGFISHER MF RS70 (GC 41-393-97), KINGFISHER MF RS80 (GC 41-393-98), KINGFISHER MF RS90 (GC 41-393-99)
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