
Sime
Sime Combustion Chamber Front Insulation 6139771
Front insulation for the combustion chamber on compatible Sime gas boilers, part number 6139771.
At a glance
- Also known as 2040522
£10.42
£8.68 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 Sime 6139771 is a front insulation panel for the combustion chamber. It is manufactured by Sime for use in Sime gas boilers, including Format, Climit, Formel and Open ZIP models. The insulation sits at the front of the combustion chamber and helps maintain correct thermal conditions within the appliance.
Signs this part needs replacing
- Cracks or breaks in the insulation panel
- Material crumbling or falling away
- Discolouration or scorching on the combustion chamber front
- Loose or poorly seated insulation panel
- Boiler failing combustion analysis or showing flame instability
Before you order
- Check your boiler model and GC number against the fitment list.
- Confirm the existing part is marked 6139771 or matches the combustion chamber front insulation.
- Isolate the gas and electrical supplies before inspection or replacement.
- Check the manufacturer's parts list for your exact model.
Compliance
| Alternative numbers | 2040522 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME CLIMIT GGF 28 BF MET - 8104668 | — | — | — | |
| SIME CLIMIT GGF 28 OF MET - 8104606 | — | — | — | |
| SIME FORMAT 100C - 8098456 | 47-719-13 | 47-719-13 | — | — |
| SIME FORMAT 100C LPG - 8098455 | 47-719-13 | 47-719-13 | — | — |
| SIME FORMAT 110C | 47-719-21 | 47-719-21 | — | — |
| SIME FORMAT SYSTEM 30 EI NATURAL GAS - 8098477 | — | — | — | |
| SIME FORMAT SYSTEM 30 NATURAL GAS - 8098472 | 41-719-16 | 41-719-16 | — | — |
| SIME FORMAT ZIP 30 BF GPL - 8098453 | — | — | — | |
| SIME FORMAT ZIP 30 BF MET - 8098452 | — | — | — | |
| SIME FORMAT ZIP 30 BF TS MET - 8104652 | — | — | — |
Showing 10 of 28 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.
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