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

Verify the reference 8716771987 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.

RefurbishedJunkers Plate heat exchanger

Junkers Cerastar ZWN 24 7 MFA Plate Heat Exchanger Ref. 8716771987

Name: Junkers Cerastar ZWN 24 7 MFA Plate Heat Exchanger Ref. 8716771987
Brand: Junkers
SKU: IPCZWN24
Price: 30 EUR
Availability: InStock

30 €VAT includedIn stock · 3 units

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 ZWC35/35-3MFA23, ZWC35/35-3MFA31, ZWC35-3MFA23S36 (ref. 8716771987). 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: 8716771987
Brand: Junkers
Type of part: Plate heat exchanger
Available units: 3 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 8716771987) equips these models. Verified compatibility; check the reference before purchasing.

ZWC 35/35-3MFA

ZWC35/35-3MFA23
ZWC35/35-3MFA31
ZWC35-3MFA23S36

ZWC 30/30-3MFA

ZWC30/30-3MFA23
ZWC30/30-3MFA31

ZWC 24/28-3MFA-MFK

ZWC24/28-3MFA23
ZWC24/28-3MFA31
ZWC24/28-3MFK23
ZWC24/28-3MFK31

ZWC 28/28-3MFK

ZWC28/28-3MFK23
ZWC28/28-3MFK31

ZWB 28-3C

ZWB28-3C23
ZWB28-3C31
ZWB28-3CE

ZWN 24-7MFA

ZWN24-7MFA23
ZWN24-7MFA31

How do I know if this plate heat exchanger is the one for my boiler?: Verify the reference 8716771987 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.