Transformers of different functions
A Transformer feed or insulation must not be confused with a spark generator. Replacement requires contrasting the function, stresses and Connection of the original unit.

Transformer Junkers ZWC 28/32-1MFA 23 reconditioned. Transformer black square housing with ACE label and lower terminals. Tag tag: ACE; (000136002); PRI 230V 50–60Hz (Pin 5–7); SEC1 25V 34VA (Pin 10–11); SEC2 9V 4.5VA (Pin 12–13); 8 747 201 306. Contrast the indicated voltages, terminal layout and fixation points.
Compare the label, assembly and layout of connections. Primary and secondary data identify the electrical version; the shape of the housing alone does not determine them.
Compare the views from the same angle and check the complete identification of the removed part.
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 ZWC 28/32-1MFA 23. 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.
A Transformer feed or insulation must not be confused with a spark generator. Replacement requires contrasting the function, stresses and Connection of the original unit.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Transformer black square housing with ACE label and lower terminals. Compare these details with the removed Part and its complete identification.
Tag Marking: ACE; (000136002); PRI 230V 50–60Hz (Pin 5–7); SEC1 25V 34VA (Pin 10–11); SEC2 9V 4.5VA (Pin 12–13); 8 747 201 306. They are readings from the photographed unit and not an equivalent list of references.
This product page identifies the catalogued application Junkers ZWC 28/32-1MFA 23. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.