How do I know if this pressure gauge / thermometer is the one for my boiler?

Verify the reference 87172080520 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Bosch (Junkers) part.

The manometer/thermomanometer displays the pressure (and sometimes the temperature) of the circuit.

Is the needle not moving or indicating incorrectly?

Incorrect reading or needle stuck; check for air in the intake.

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 thread/connection and bleed the pressure point.

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 Pressure gauges - Aquastats

Pressure Gauge Junkers Cerastar ZWR 24 3 KDE 23 Ref. 87172080520

Name: Pressure Gauge Junkers Cerastar ZWR 24 3 KDE 23 Ref. 87172080520
Brand: Junkers
SKU: MPCZWR24
Price: 15 EUR
Availability: InStock

15 €VAT includedIn stock · 5 units

Manometer: refurbished spare part that displays the pressure of the boiler circuit. Useful if the needle does not move or shows incorrect pressure. Compatible with ZWR 24-3 AE/KE, ZWR 18-3 AE/KE, ZR 24-3 AE/KE (ref. 87172080520). 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: 87172080520
Brand: Junkers
Type of part: Pressure gauges - Aquastats
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 87172080520) equips these models. Verified compatibility; check the reference before purchasing.

Cerastar

ZWR 24-3 AE/KE
ZWR 18-3 AE/KE
ZR 24-3 AE/KE
ZR 18-3 AE/KE
ZSR 24-3 AE/KE
ZSR 18-3 AE/KE
ZWR 24-4 AE/KE
ZWR 18-4 AE/KE
ZR 24-4 AE/KE
ZR 18-4 AE/KE

Cerastar / ZR-ZWR-ZSR -2 (ADE)

ZR 11/18/24-2 ADE
ZWR 18/24-2 ADE
ZSR 11/18/24-2 ADE
ZN/ZWN 18-2 ADE

Ceramini / MINI

MINI-8 AE/ASE/KE/KSE
MINI-11 AE/ASE/KE/KSE

How do I know if this pressure gauge / thermometer is the one for my boiler?: Verify the reference 87172080520 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Bosch (Junkers) part.
What is it used for?: The manometer/thermomanometer displays the pressure (and sometimes the temperature) of the circuit.
Is the needle not moving or indicating incorrectly?: Incorrect reading or needle stuck; check for air in the intake.
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 thread/connection and bleed the pressure point.
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.