O Ring
Part number (MPN)
6226457
Check compatibility
Type your appliance model: we compare it with the 3 appliances in our sources.
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Parts for the same appliances
- 6226412SimeO-Ring 3068ADVANCED HE30 COMBI NG, ADVANCED HE30 ERP COMBI NG, ADVANCED HE40 COMBI NG, ADVANCED HE40 ERP COMBI NG, Sime Dewy 30/130 HE FS, Sime Dewy 30
- 6226464Sime0 RingSime Format DGT 20 HE System; Murelle HM 25, Murelle HM 35 ErP, Murelle EV HE 30, Murelle HE 50 R ErP, Format DGT 25/15 BF
- 2030226SimeGasket 10,2 X 14 ,8 X 2Sime Murelle HE 12 System, Sime Murelle HE 25 System, Sime Murelle HE 35 System, SUPER 80 COMBI NG; Murelle HM 25, Murelle HM 35 ErP, Murell
- 2030228SimeGasket 17 X 24 X 2ADVANCED HE30 COMBI NG, ADVANCED HE30 ERP COMBI NG, ADVANCED HE40 COMBI NG, ADVANCED HE40 ERP COMBI NG, Sime Dewy 30/130 HE FS, Sime Dewy 30
- 6013182SimeAutomatic Air Vent - Ecomfort/Murelle/FormatADVANCED HE30 COMBI NG, ADVANCED HE30 ERP COMBI NG, ADVANCED HE40 COMBI NG, ADVANCED HE40 ERP COMBI NG, BRAVA DGT 25HE COMBI NG, BRAVA DGT 3
- 6040211SimePressure Relief Valve - Murelle EV/Format DGT/Ecomfort PlusADVANCED HE30 COMBI NG, ADVANCED HE30 ERP COMBI NG, ADVANCED HE40 COMBI NG, ADVANCED HE40 ERP COMBI NG, BRAVA DGT 25HE COMBI NG, BRAVA DGT 3
- 60081415ChaffoteauxBoiler Thermostat AssemblyChaffoteaux Flexiflame 140
OEM Replacement Part & Compatibility Table
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Guide price (£)
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Source
PDF parts list
checked 2026-11-05
Fitting notes
Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate.
Compatible appliances
No appliance matches the filter.
Always check the model and serial number on the data plate before ordering.
Frequently asked questions
Which appliances does 6226457 fit?
The sources we checked list 6226457 (O Ring, Sime) for: Sime Format DGT 20 HE System; Murelle HM 25, Format DGT 25/15 BF. Always check the model and serial number on the data plate before ordering.
Does 6226457 have equivalent or superseded part numbers?
The sources we checked list no equivalents for 6226457. Ask a Sime stockist to confirm.
What should I check before fitting 6226457?
Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate.