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Gasket

Part number (MPN)
998517
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Parts for the same appliances

OEM Replacement Part & Compatibility Table

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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 998517 fit?

The sources we checked list 998517 (Gasket, Ariston) for: Ariston ACO Floor 35. Always check the model and serial number on the data plate before ordering.

Does 998517 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 998517. Ask a Ariston stockist to confirm.

What should I check before fitting 998517?

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Some lists are dated and the part may have been superseded.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