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Part number (MPN)
3003957
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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 3003957 fit?

The sources we checked list 3003957 (Support, Riello) for: Riello Rl130 662T1 3475418, RLS 100 TYPE 1589D BURNER, RLS 100 TYPE 688 T1 BURNER, RLS 130 TYPE 689 TL BURNER, Riello Rs100 3785208, Riello Rs100 822T1 3785218, Riello Rs130 823M 3785406, Riello Rs130 823T1 3785416, Riello Rs70 821M 3785006, Riello Rs70 821T1 3785018. Always check the model and serial number on the data plate before ordering.

Does 3003957 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 3003957. Ask a Riello stockist to confirm.

What should I check before fitting 3003957?

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Some lists are dated and the part may have been superseded.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