Sime
Sime Combustion Chamber Front Insulation 6139770
Front combustion chamber insulation for Sime Format, Metro, Climit and Open Zip gas boilers.
At a glance
- Also known as 2040520
£11.36
£9.47 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 6139770 is a front combustion chamber insulation panel for Sime gas boilers. It sits at the front of the combustion chamber, shielding surrounding components from the heat of combustion. It is listed for the Sime Format, Metro, Climit and Open Zip ranges.
Signs this part needs replacing
- Visible cracking, crumbling or disintegration of the insulation panel
- Scorching or heat discolouration on components near the combustion chamber front
- Insulation debris found inside the combustion chamber
- Gaps or missing sections where the insulation should sit
- Boiler overheating or repeated lockouts linked to heat loss from the chamber
Before you order
- Check your boiler model and GC number against the fitment list above
- Confirm the existing insulation is marked with part number 6139770
- Inspect the rest of the combustion chamber insulation for similar damage
- Isolate the gas and electrical supply before starting work
Compliance
| Alternative numbers | 2040520 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME CLIMIT GGF 23 OF MET - 8104605 | — | — | — | |
| SIME FORMAT 80C - 8098454 | 47-719-12 | 47-719-12 | — | — |
| SIME FORMAT 80C LPG - 8098459 | 47-719-12 | 47-719-12 | — | — |
| SIME FORMAT SYSTEM 24 EI LPG - 8098476 | — | — | — | |
| SIME FORMAT SYSTEM 24 EI NATURAL GAS - 8098475 | — | — | — | |
| SIME FORMAT SYSTEM 24 LPG - 8098471 | — | — | — | |
| SIME FORMAT SYSTEM 24 NATURAL GAS - 8098470 | 41-719-15 | 41-719-15 | — | — |
| SIME FORMAT ZIP 25 BF GPL - 8098451 | — | — | — | |
| SIME FORMAT ZIP 25 BF MET - 8098450 | — | — | — | |
| SIME FORMAT ZIP 25 BF TS MET - 8104650 | — | — | — |
Showing 10 of 31 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.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.