Version and connections
The PCB's shape alone is not enough to confirm that it is a suitable replacement. The service part number and installed variant complete the identification; programming or pinout cannot be inferred from a photo.
PCB Junkers ZWB 28 3C 23
PCB Junkers ZWB 28 3C 23 reconditioned. Contrast the PCB code, its revision and connectors; share Boiler model is not enough to confirm equivalence. PCB rectangular green with orange Transformer, blue blocks and white grids on the edges.
Shipping €9Mainland Spain · free from €120
Returns14 days from receipt
WarrantyView terms
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VAT included
In stockEstimated delivery 24–48 business hours · mainland Spain
90 €
Identify the circuit board version
To identify the PCB, compare its labels and the layout of the connectors, relays and mounting points. A boiler family may include variants that need to be checked.
Transformer orange, blue blocks and border strips. Compare views from the same angle and complete identification of the removed Part.
Comparison
Place your part beside it.
Choose a photo of your part to view it beside this unit. Compare the labels, connectors and mounting points from the same angle.
Your photo stays on your device: it is not sent or stored.
Model listed in the catalogue
Application listed in the catalogue: Junkers ZWB 28 3C 23. The variant and configuration must match the installed equipment; this does not establish compatibility with other models.
ZWBJunkers
- ZWB 28 3C 23Listed application; check variant and configuration
No models are documented for that search.
Application taken from the catalogue, pending comparison with the installed variant. This does not constitute compatibility certified against an exploded diagram.
Before replacing the part
Service in Madrid and surrounding areas
Do you need us to install it?
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Questions about this spare part
What visible features does the PCB for Junkers ZWB 28 3C 23 have?
PCB rectangular green with orange Transformer, blue blocks and white strips on the edges.
What should you compare with the removed part?
Compare the shape of the PCB, orange Transformer, blue blocks and grids of the edges and the contour of the visible connectors.
