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

Verify the reference 65104261 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Zilmet piece.

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 AS 24 FF Ref. 65104261

Name: Expansion Vessel Ariston AS 24 FF Ref. 65104261
Brand: Ariston
SKU: VEAAS24FF
Price: 40 EUR
Availability: InStock

40 €VAT includedIn stock · 5 units

Expansion vessel: refurbished spare part that absorbs the expansion of water when heated. Useful if the pressure rises significantly when heating or if the safety valve is triggered. Compatible with Pigma Green 25 EU, Pigma Green 25 FF NG, Pigma Green 30 FF NG (ref. 65104261). 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: 65104261
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. 65104261) equips these models. Verified compatibility; check the reference before purchasing.

Chaffoteaux Pigma / Pigma Green / Pigma Green EVO

Pigma Green 25 EU
Pigma Green 25 FF NG
Pigma Green 30 FF NG
Pigma Green 30 LPG
Pigma Green EBUS2 25
Pigma Green EBUS2 30
Pigma Green EBUS2 35
Pigma Green EVO 25
Pigma 25 FF
Pigma 25 VMC
Pigma 24 VMC

Chaffoteaux Alixia

Alixia 24 FF
Alixia 24 CF

Chaffoteaux Egis

Egis 24 FF
Egis 24 CF
Egis Plus 24 FF
Egis Plus 24 CF

Chaffoteaux Talia / Talia Green / Talia System

Talia 25 FF
Talia 30 FF
Talia Green 25 FF
Talia Green 30 FF
Talia System 25 FF

Ariston Genus / Clas / Cares (group, same 8L expansion vessel)

Genus Premium Evo 24
Genus Premium Evo 35
Clas 24 FF
Clas Premium Evo 24
Cares X 24 FF

How do I know if this expansion vessel is for my boiler?: Verify the reference 65104261 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Zilmet piece.
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.