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 Vaillant Aquablock VMI ES 280-7 reconditioned. Transformer with dark PCB over Base metal, black and red cables and blue Connector. Contrast the indicated voltages, terminal arrangement and fixing 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.
The assembly, connections and features described in this unit. Compare the views from the same angle and the complete identification of the Part 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: Vaillant Aquablock VMI ES 280-7. 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 with dark PCB over Base metal, black and red cables and blue Connector. Compare these details with the withdrawn Part and its complete identification.
The assembly, connections and features described in this unit. Compare the views from the same angle and the complete identification of the Part removed.
This product page identifies the catalogued application Vaillant Aquablock VMI ES 280-7. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.