PartsByCodespare parts by code
SimeBoilers and heating

O Ring

Part number (MPN)
6248870
Check compatibility

Type your appliance model: we compare it with the 13 appliances in our sources.

Catalogue numberChecked sources
Direct linkseBay and Amazon
Free to useNo sign-up

Parts for the same appliances

OEM Replacement Part & Compatibility Table

Brand
Sime
Category
Boilers and heating
Guide price (£)
Not available: check the current price with the seller
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

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

Frequently asked questions

Which appliances does 6248870 fit?

The sources we checked list 6248870 (O Ring, Sime) for: ADVANCED HE30 COMBI NG, ADVANCED HE30 ERP COMBI NG, ADVANCED HE40 COMBI NG, ADVANCED HE40 ERP COMBI NG, MURELLE HE 35 R ERP SYSTEM NG, MURELLE PRO HE20R SYSTEM NG, MURELLE PRO HE20RERP SYSTEM NG, MURELLE PRO HE25 COMBI NG, MURELLE PRO HE30 COMBI NG, MURELLE PRO HE30R SYSTEM NG, MURELLE PRO HE30RERP SYSTEM NG; Murelle HM 35 ErP, Murelle EV HE 30. Always check the model and serial number on the data plate before ordering.

Does 6248870 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 6248870. Ask a Sime stockist to confirm.

What should I check before fitting 6248870?

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.

View on eBay

Some lists are dated and the part may have been superseded.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