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Motor (RL70/RS70)

Part number (MPN)
3003966
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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 3003966 fit?

The sources we checked list 3003966 (Motor (RL70/RS70), Riello) for: Riello Rl70 660T1 3475015, Riello Rl70 660T1 3475016, Riello Rl70 660T1 3475017, Riello Rl70 660T1 3475018, Riello Rl70 660T1 3475020, Riello Rl70 660T1 3475021, Riello Rl70 660T1 3475022, Riello Rl70 660Ti 3475023, Riello Rl70/M 669T1 3477012, Riello Rl70/M 669T1 3477013, RLS 70 687 T BURNER NG&OIL, RS 64/E MZ TL3/230-400/50 OIL, RS 70/M TC3/230-400/50 BURNOIL, RS 70/M TL3/230-400/50 BURNOIL, Riello Rs70 821M 3785005, Riello Rs70 821M 3785006, Riello Rs70 821M 3785008, Riello Rs70 821M 3785037, Riello Rs70 821T1 3785015, Riello Rs70 821T1 3785017, Riello Rs70 821T1 3785018, Riello Rs70 821T1 3785316. Always check the model and serial number on the data plate before ordering.

Does 3003966 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 3003966. Ask a Riello stockist to confirm.

What should I check before fitting 3003966?

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Some lists are dated and the part may have been superseded.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