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Ionisation Electrode - Murelle EV HE/Planet Dewy

Part number (MPN)
6221645
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Source
retailer 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. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 6221645 fit?

The sources we checked list 6221645 (Ionisation Electrode - Murelle EV HE/Planet Dewy, Sime) for: BRAVA DGT 25HE COMBI NG, BRAVA DGT 30HE COMBI NG, BRAVA DGT 35HE COMBI NG, Sime Dewy 30/50 HE Wm, ELITE HE30 ERP COMBI NG, ELITE HE35 ERP COMBI NG, ELITE HE35 TERP SYSTEM NG, EV HE 12 SYSTEM NG, EV HE 20 SYSTEM NG, EV HE 25 SYSTEM NG, EV HE 30 SYSTEM NG, EV HE 35 SYSTEM NG, MURELLE EV HE 30 SYSTEM NG, Sime Murelle EV HE 20 T, Sime Murelle EV HE 25/55, Sime Murelle EV HE 25, Sime Murelle EV HE 25 T, Sime Murelle EV HE 30/55, Sime Murelle EV HE 30, Sime Murelle EV HE 30 T, Sime Murelle EV HE 35, Sime Murelle EV HE 35 T, MURELLE HE 110 R SYSTEM NG, MURELLE HE 35 R ERP SYSTEM NG, MURELLE HE 35 R M SYSTEM NG, MURELLE HE 35 R SYSTEM NG, MURELLE HE 50R SYSTEM NG, MURELLE HE 50RM SYSTEM NG, Sime Murelle HE 20 System, Sime Murelle HE 25, Sime Murelle HE 25 System, Sime Murelle HE 30, Sime Murelle HE 30 System, Sime Murelle HE 35, Sime Murelle HE 35 System, Sime Planet Dewy 100 Bfr, Sime Planet Dewy 60 Bfr. Always check the model and serial number on the data plate before ordering.

Does 6221645 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 6221645. Ask a Sime stockist to confirm.

What should I check before fitting 6221645?

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. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.