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

Verify the reference 571646 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 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

Secondary Plate Heat Exchanger Ariston Basic 23 MFFI Ref. 571646

Name: Secondary Plate Heat Exchanger Ariston Basic 23 MFFI Ref. 571646
Brand: Ariston
SKU: MTS566098
Price: 75 EUR
Availability: InStock

75 €VAT includedIn stock · 5 units

Plate heat exchanger: reconditioned spare part that transfers heat to domestic hot water. Useful if the hot water is lukewarm or takes a long time. Compatible with Genus 23 MFFI, Microgenus 23 MFFI (ref. 571646). 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: 571646
Brand: Ariston
Type of part: Plate heat exchanger
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 571646) equips these models. Verified compatibility; check the reference before purchasing.

Genus 23 MFFI

Genus 23 MFFI

Microgenus 23 MFFI

Microgenus 23 MFFI

How do I know if this plate heat exchanger is the one for my boiler?: Verify the reference 571646 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 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.

Secondary Plate Heat Exchanger Ariston Basic 23 MFFI Ref. 571646

Key Data

Genus 23 MFFI

Microgenus 23 MFFI

Spare Parts Related to Boiler Basic 23 MFFI