How do I know if this hydraulic group/block is for my boiler?

Verify the reference 8707002628 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Junkers/Bosch piece (original OEM, ref. 365.45.0005).

The hydraulic group/block integrates the water circuit (valve, by-pass, and connections).

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 connections; compare the exploded view.

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 Hydraulics

Water Body Junkers Bosch Novastar ZW20 1AME23 Ref. 8707002628

Name: Water Body Junkers Bosch Novastar ZW20 1AME23 Ref. 8707002628
Brand: Junkers
SKU: CANZW20
Price: 30 EUR
Availability: InStock

30 €VAT includedIn stock · 1 unit

Hydraulic group: reconditioned spare part that integrates the valve, bypass, and water connections. Useful if there are leaks, noises, or poor water circulation. Compatible with ZW20KD23S2805, ZW20KD23S2895, ZW20KD31S2805 (ref. 8707002628). 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: 8707002628
Brand: Junkers
Type of part: Hydraulics
Available units: 1 unit in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 8707002628) equips these models. Verified compatibility; check the reference before purchasing.

Junkers ZW20 (KD)

ZW20KD23S2805
ZW20KD23S2895
ZW20KD31S2805
ZW20KD31S2895
ZW20-1KD23S2805
ZW20-1KD23S2895
ZW20-1KD31S2805
ZW20-1KD31S2895
ZW20-2KD23S2895
ZW20-2KD31S2895

Junkers ZW20 (KE)

ZW20KE
ZW1KE
ZW20KE23S2805
ZW20KE23S2895
ZW20KE31S2805
ZW20KE31S2895
ZW20-1KE23S2805
ZW20-1KE23S2895
ZW20-1KE31S2805
ZW20-1KE31S2895
ZW20-2KE23S2895
ZW20-2KE31S2895

Junkers ZW20 (AME)

ZW20AME23S2805
ZW20AME31S2805
ZW20-1AME23S280
ZW20-1AME31S280
ZW20-2AME23S280
ZW20-2AME31S280
ZW201AME
ZW2014ME23

How do I know if this hydraulic group/block is for my boiler?: Verify the reference 8707002628 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Junkers/Bosch piece (original OEM, ref. 365.45.0005).
What is it used for?: The hydraulic group/block integrates the water circuit (valve, by-pass, and connections).
Leaks, noises, or poor water circulation?: It may indicate leaks or wear of the block.
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 connections; compare the exploded view.
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.