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Starter

Part number (MPN)
3003959
Check compatibility

Type your appliance model: we compare it with the 11 appliances in our sources.

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Parts for the same appliances

OEM Replacement Part & Compatibility Table

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Guide price (£)
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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 3003959 fit?

The sources we checked list 3003959 (Starter, Riello) for: Riello Rl70/M 669T1 3477012, RLS 70 687 T BURNER NG&OIL, RLS 70 TC230/380/60 NG&OIL, RS 64/E MZ 882 T BURNER OIL, RS 64/E MZ 896 T BURNER OIL, RS 64/E MZ TL3/230-400/50 OIL, RS 70/E TC3/230-400/50 OIL, RS 70/E TL3/230-400/50 BURNOIL, RS 70/M TL3/230-400/50 BURNOIL, Riello Rs70 821M 3785005, Riello Rs70 821T1 3785015. Always check the model and serial number on the data plate before ordering.

Does 3003959 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 3003959. Ask a Riello stockist to confirm.

What should I check before fitting 3003959?

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Some lists are dated and the part may have been superseded.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