How do I know if this filling valve is for my boiler?

Verify the reference 8717405140 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

The filling valve allows the heating circuit to be refilled with water.

Does it not fill, leak, or not close properly?

Seized valve, leaking or not sealing.

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 seals and the connection to the circuit.

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 Filling valves

Filling Key Junkers ZWR 24 3 Ref. 8717405140

Name: Filling Key Junkers ZWR 24 3 Ref. 8717405140
Brand: Junkers
SKU: LLJZWR243
Price: 10 EUR
Availability: InStock

10 €VAT includedIn stock · 5 units

Filling valve: reconditioned spare part that allows refilling the heating circuit with water. Useful if it doesn't fill, leaks, or doesn't close properly. Compatible with ZWR 18-3 KE, ZWR 18-3 KDE, ZWR 24-3 KE (ref. 8717405140). 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: 8717405140
Brand: Junkers
Type of part: Filling valves
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 8717405140) equips these models. Verified compatibility; check the reference before purchasing.

Junkers ZWR (18/24)

ZWR 18-3 KE
ZWR 18-3 KDE
ZWR 24-3 KE
ZWR 24-3 KDE

Junkers ZWE (24/28)

ZWE 24-2 AE
ZWE 24-3 MFA
ZWE 24-3 MFK
ZWE 28-2 AE
ZWE 28-3 MFA

How do I know if this filling valve is for my boiler?: Verify the reference 8717405140 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 filling valve allows the heating circuit to be refilled with water.
Does it not fill, leak, or not close properly?: Seized valve, leaking or not sealing.
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 seals and the connection to the circuit.
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.

Filling Key Junkers ZWR 24 3 Ref. 8717405140

Key Data

Junkers ZWR (18/24)

Junkers ZWE (24/28)

Spare Parts Related Boiler ZWR 24 3