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Electrode (RS28/38/50)

Part number (MPN)
Z3003850
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Source
retailer parts list
checked 2026-11-06
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 Z3003850 fit?

The sources we checked list Z3003850 (Electrode (RS28/38/50), Riello) for: Riello Rs28 809M 3783205, Riello Rs28 809M 3783207, Riello Rs28 809T1 3783215, Riello Rs28 809T1 3783217, Riello Rs38 810M 3784105, Riello Rs38 810M 3784107, Riello Rs38 810M 3784305, Riello Rs38 810T1 3784115, Riello Rs38 810T1 3784117, Riello Rs38 810T1 3784315, Riello Rs38 810T1 3784317. Always check the model and serial number on the data plate before ordering.

Does Z3003850 have equivalent or superseded part numbers?

The sources we checked list no equivalents for Z3003850. Ask a Riello stockist to confirm.

What should I check before fitting Z3003850?

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Some lists are dated and the part may have been superseded.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.