Alpha
Alpha Combustion Chamber Rear Insulation Panel 1.018387
Rear insulation panel for the combustion chamber of Alpha CD series gas boilers.
At a glance
- Also known as INSULATION-REAR-PANEL-PRIMARYCOND, COMB-CHAMBER-REAR-INSULATION-CD50, 1257943
£42.70
£35.58 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 rear insulation panel for the combustion chamber, manufactured by Alpha. It sits at the rear of the combustion chamber and provides thermal insulation between the burner area and the boiler casing. It is a serviceable component used across the Alpha CD range.
Signs this part needs replacing
- Visible cracking, crumbling or breakdown of the insulation material
- Discolouration or scorching beyond normal service wear
- Insulation panel loose, displaced or no longer seated correctly
- Debris or dust from the panel found around the combustion chamber
- Heat damage to surrounding components consistent with failed insulation
Before you order
- Confirm the boiler model and GC number against the fitment list
- Check the existing panel for damage before removal to compare condition
- Verify the part number 1.018387 matches the number on the existing component
- Isolate the appliance and follow the manufacturer's instructions for combustion chamber work
Compliance
| Alternative numbers | INSULATION-REAR-PANEL-PRIMARYCOND, 1018387, COMB-CHAMBER-REAR-INSULATION-CD50, 1257943 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD13R | 41-532-05 | 41-532-05 | — | — |
| ALPHA CD13R (LPG) | 41-532-11 | 41-532-11 | — | — |
| ALPHA CD18R | 41-532-03 | 41-532-03 | — | — |
| ALPHA CD18R (LPG) | 41-532-09 | 41-532-09 | — | — |
| ALPHA CD18S | 41-532-06 | 41-532-06 | — | — |
| ALPHA CD18S (LPG) | 41-532-13 | 41-532-13 | — | — |
| ALPHA CD24C | 47-532-19 | 47-532-19 | — | — |
| ALPHA CD24C (LPG) | 47-532-29 | 47-532-29 | — | — |
| ALPHA CD24R | 41-532-04 | 41-532-04 | — | — |
| ALPHA CD24R (LPG) | 41-532-10 | 41-532-10 | — | — |
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.
ALPHA appliance manual — CD13R (GC 41-532-05), CD13R (LPG) (GC 41-532-11), CD18R (GC 41-532-03), CD18R (LPG) (GC 41-532-09), CD24R (GC 41-532-04), CD24R (LPG) (GC 41-532-10)
manualmanualALPHA appliance manual — CD18S (GC 41-532-06), CD18S (LPG) (GC 41-532-13), CD30S (GC 41-532-08), CD30S (LPG) (GC 41-532-14)
manualmanualALPHA appliance manual — CD24C (GC 47-532-19), CD24C (LPG) (GC 47-532-29), CD24S (GC 41-532-02), CD24S (LPG) (GC 41-532-15), CD32C (GC 47-532-21), CD32C (LPG) (GC 47-532-30)
manualmanualALPHA appliance manual — CD50 (GC 47-532-24), CD50 (LPG)
manualmanualALPHA appliance manual — CD50S, CD50S (LPG)
manualNo technical questions yet for this part.
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