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 Euromaxx ZWC-28 1 mfa 2a re-conditioned. Circuit elongated with large blue Connector on one end and several orange relays. Contrast the PCB code, its revision and connectors; share model Boiler is not enough to confirm equivalence.
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.
The blue Connector and the relay cast. Compare views from the same angle and complete Part identification removed.
Choose a photo of your part to view it beside this unit. Compare the labels, connectors and mounting points from the same angle.
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Application listed in the catalogue: Junkers Euromaxx ZWC-28 1 mfa 2a. The variant and configuration must match the installed equipment; this does not establish compatibility with other models.
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.
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.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Circuit lengthened with large blue Connector on one end and several orange relays. Compare these details with the withdrawn Part and its full identification.
The blue Connector and the relay cast. Compare views from the same angle and complete Part identification removed.
This product page identifies the catalogued application Junkers Euromaxx ZWC-28 1 mfa 2a. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.