How do I know if this expansion vessel is for my boiler?

Verify the reference 564492 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is an Ariston part.

The expansion vessel absorbs the expansion of water when heated.

Does the pressure rise significantly when heating, or does the safety valve trip?

It usually indicates the expansion vessel is discharged.

Which models is it suitable for?

Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.

Installation and recommendations

Check and recharge the air pre-charge of the expansion vessel.

What does refurbished mean and what coverage does it have?

Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

RefurbishedAriston Expansion vessels

Expansion Vessel Ariston Basic 23 MFFI Ref. 564492

Name: Expansion Vessel Ariston Basic 23 MFFI Ref. 564492
Brand: Ariston
SKU: VECALA23
Price: 45 EUR
Availability: InStock

45 €VAT includedIn stock · 5 units

Expansion vessel: reconditioned spare part that absorbs the expansion of water when heated. Useful if the pressure rises significantly when heating or if the safety valve trips. Compatible with Basic 23 M FFI, Basic 23 M, Dia 20 M (ref. 564492). Includes a one-year warranty and delivery within 2–4 working days in the EU.

Consult via WhatsApp

Not sure if it's your part? Send us a photo of the screen printing via WhatsApp and we'll confirm compatibility before you purchase.

Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: 564492
Brand: Ariston
Type of part: Expansion vessels
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 564492) equips these models. Verified compatibility; check the reference before purchasing.

Ariston

Basic 23 M FFI
Basic 23 M
Day 20 M
Day 20 MFFI
Day 24 M
Day 24 MFFI
Meta 20 MFFI
Meta 24 MFFI
ARX 24 BFFI

Simat

SP 20
SP 24

How do I know if this expansion vessel is for my boiler?: Verify the reference 564492 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is an Ariston part.
What is it used for?: The expansion vessel absorbs the expansion of water when heated.
Does the pressure rise significantly when heating, or does the safety valve trip?: It usually indicates the expansion vessel is discharged.
Which models is it suitable for?: Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations: Check and recharge the air pre-charge of the expansion vessel.
What does refurbished mean and what coverage does it have?: Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

Expansion Vessel Ariston Basic 23 MFFI Ref. 564492

Key Data

Ariston

Simat

Spare Parts Related to Boiler Basic 23 MFFI