998077 Ariston: O-Ring Gasket
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OEM Replacement Part & Compatibility Table
| Part number (MPN) | 998077 |
|---|---|
| Brand | Ariston |
| Category | Boilers and heating |
| Compatible appliances | Ariston ACO 27 MFFI, Ariston ACO 27 RFFI System, Ariston ACO 32 MFFI, Ariston ACO 32 RFFI System, GENUS 23 MI COMBI NG, Ariston Genus 23 Mffi UK, Ariston Genus 27 Mffi UK, GENUS 30 MFFI COMBI NG, Ariston Genus 30 Mffi UK, ECOGENUS 24 MFFI from serial n, EUROCOMBI A23 MFFI COMBI NG, EUROCOMBI A27 MFFI COMBI NG |
| Equivalent / superseded codes | Not listed in the sources |
| Fault codes | Not listed in the sources |
| Guide price (£) | Not available: check the current price with the seller |
Fitting notes
Frequently asked questions
Which appliances does 998077 fit?
The sources we checked list 998077 (O-Ring Gasket, Ariston) for: Ariston ACO 27 MFFI, Ariston ACO 27 RFFI System, Ariston ACO 32 MFFI, Ariston ACO 32 RFFI System, GENUS 23 MI COMBI NG, Ariston Genus 23 Mffi UK, Ariston Genus 27 Mffi UK, GENUS 30 MFFI COMBI NG, Ariston Genus 30 Mffi UK, ECOGENUS 24 MFFI from serial n, EUROCOMBI A23 MFFI COMBI NG, EUROCOMBI A27 MFFI COMBI NG. Always check the model and serial number on the data plate before ordering.
Does 998077 have equivalent or superseded part numbers?
The sources we checked list no equivalents for 998077. Ask a Ariston stockist to confirm.
What should I check before fitting 998077?
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
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- 998424 Ariston, O-Ring C=4 D=17,04
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- 998447 Ariston, Safety Valve 1/4" - 3 Bar
- 3003386 Riello, Air Damper Shutter Gas 4
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 Some lists are dated and the part may have been superseded.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.