Description
Ariston 573294 Expansion Vessel
Ariston replacement part with manufacturer part number 573294. This exact item is a genuine, brand-new Ariston product. It is intended for the compatible appliances shown below, where listed. Match the boiler model and MPN before ordering.
Product Details
Brand: Ariston
Manufacturer part number (MPN): 573294
Condition: Genuine brand new
Boiler Compatibility
Check the exact appliance model and manufacturer part number before ordering. See the GC Number tab for verified GC references.
This part fits the following 12 appliances:
Listed compatible appliances
- Ariston ECOGENUS 24 MFFI from serial n — Browse Ariston parts (brand archive)
- Ariston ECOGENUS 24 RFFI SYSTEM from s — Browse Ariston parts (brand archive)
- Ariston EUROCOMBI A23 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston EUROCOMBI A23 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston EUROCOMBI A27 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston EUROCOMBI A27 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston GENUS 23 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston GENUS 23 MI COMBI NG — Browse Ariston parts (brand archive)
- Ariston GENUS 27 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston GENUS 27 RFFI SYSTEM NG — Browse Ariston parts (brand archive)
- Ariston GENUS 30 MFFI COMBI NG — Browse Ariston parts (brand archive)
- Ariston GENUS 30 MFFI COMBI NG — Browse Ariston parts (brand archive)
Ordering and support
Before you order
Use the manufacturer part number as your main check. Do not rely on a similar-looking part. Compare the appliance model and the GC Number tab before ordering.
Technical FAQs
How do I check that this is the correct replacement part?
Use manufacturer part number 573294 as the main check. Match it to the old part or appliance documentation, not only to a similar-looking product.
Will this part fit my boiler?
This exact part is listed for 12 appliance model(s). Check your appliance model, MPN and the GC Number tab before ordering.
Can a similar-looking part be used instead?
Do not rely on shape or appearance alone. Check the manufacturer part number and the exact appliance model before ordering a replacement.
Does the part number identify the cause of a boiler fault?
No. A part number helps identify a replacement item but does not diagnose a fault. Ask a suitably qualified professional to identify the cause where required.
Who should fit and test this part?
Installation and testing should be completed by a suitably qualified professional where required. This exact item is a genuine, brand-new Ariston product.
Related Ariston parts
Browse related Ariston boiler parts and Ariston Expansion Vessels.
Help and returns
For help checking this part, message us on WhatsApp. This item includes a 12-month warranty. Returns are subject to the 30-day returns policy.
Product check
Clear identification matters. Check the manufacturer part number before you order.
Installation and testing should be completed by a suitably qualified professional where required.







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