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3003770 Riello: Switch

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OEM Replacement Part & Compatibility Table

Part number (MPN)3003770
BrandRiello
CategoryBoilers and heating
Compatible appliancesRiello Rl22 Blu 964T 3895110, RLS 100 TYPE 1589D BURNER, RLS 130 TYPE 19826X BURNER, RLS 130 TYPE 689 TC BURNER, RLS 130 TYPE 689 TL BURNER, RLS 28 684 T1 BURNER NG&OIL, RLS 28 TC1/220/60 BURN, RLS 38 685 T1 BURNER NG&OIL, RLS 38 TC1/230/50 NG&OIL, RLS 38 TL1/230/50 NG&OIL, RLS 70 TC230/380/60 NG&OIL, Riello Rs100 3785208, Riello Rs100 822T1 3785218, Riello Rs130 823M 3785405, Riello Rs28 3783208, Riello Rs28 809T1 3783217, Riello Rs38 810M 3784308, Riello Rs38 810T1 3784116, Riello Rs50 811M 3784605, Riello Rs70 821M 3785005
Equivalent / superseded codesNot listed in the sources
Fault codesNot listed in the sources
Guide price (£)Not available: check the current price with the seller

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.

Frequently asked questions

Which appliances does 3003770 fit?

The sources we checked list 3003770 (Switch, Riello) for: Riello Rl22 Blu 964T 3895110, RLS 100 TYPE 1589D BURNER, RLS 130 TYPE 19826X BURNER, RLS 130 TYPE 689 TC BURNER, RLS 130 TYPE 689 TL BURNER, RLS 28 684 T1 BURNER NG&OIL, RLS 28 TC1/220/60 BURN, RLS 38 685 T1 BURNER NG&OIL, RLS 38 TC1/230/50 NG&OIL, RLS 38 TL1/230/50 NG&OIL, RLS 70 TC230/380/60 NG&OIL, Riello Rs100 3785208, Riello Rs100 822T1 3785218, Riello Rs130 823M 3785405, Riello Rs28 3783208, Riello Rs28 809T1 3783217, Riello Rs38 810M 3784308, Riello Rs38 810T1 3784116, Riello Rs50 811M 3784605, Riello Rs70 821M 3785005. Always check the model and serial number on the data plate before ordering.

Does 3003770 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 3003770. Ask a Riello stockist to confirm.

What should I check before fitting 3003770?

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.

Related parts

Source checked on 2026-11-06: retailer parts list. Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.