How do I know if this plate heat exchanger is the one for my boiler?

Verify the reference 65104454 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

The plate heat exchanger transfers heat to the domestic hot water (DHW).

Is the hot water lukewarm or does it take a long time?

It usually indicates a blocked or scaled heat exchanger.

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 the seals and descale the circuit; compare the number of plates and the connections.

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 Plate heat exchanger

Ariston Egis NOx 24 FF Plate Heat Exchanger Ref. 65104454

Name: Ariston Egis NOX 24 FF Plate Heat Exchanger Ref. 65104454
Brand: Ariston
SKU: IPEGISNOX24FF
Price: 50 EUR
Availability: InStock

50 €VAT includedIn stock · 1 unit

Plate heat exchanger: refurbished spare part that transfers heat to domestic hot water. Useful if the hot water is lukewarm or takes a long time. Compatible with EGIS NOX 24 FF, EGIS NOX 28 FF, PIGMA NOX 24 FF (ref. 65104454). 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: 65104454
Brand: Ariston
Type of part: Plate heat exchanger
Available units: 1 unit in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 65104454) equips these models. Verified compatibility; check the reference before purchasing.

Ariston EGIS NOx

EGIS NOx 24 FF
EGIS NOx 28 FF

Chaffoteaux PIGMA NOx

PIGMA NOx 24 FF
PIGMA NOx 28 FF

How do I know if this plate heat exchanger is the one for my boiler?: Verify the reference 65104454 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?: The plate heat exchanger transfers heat to the domestic hot water (DHW).
Is the hot water lukewarm or does it take a long time?: It usually indicates a blocked or scaled heat exchanger.
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 the seals and descale the circuit; compare the number of plates and the connections.
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.

Ariston Egis NOx 24 FF Plate Heat Exchanger Ref. 65104454

Key Data

Ariston EGIS NOx

Chaffoteaux PIGMA NOx

Spare Parts Related Boiler Egis NOx 24 FF