Sensor and Switch are not equivalent
It is not enough for you to fit: the signal type and the required version must match. The photograph does not allow to deduce Connection power, range or schema.

Vaillant VMW 232-1 water pressure sensor, reconditioned. Black pressure sensor with PSN0001 label, circular body and side terminal. Visible marking: PSN0001 B. Additional visible marking: 105227B. Check the reference, hydraulic connection and electrical connector of the sensor.
The electric Connector and hydraulic socket help to distinguish this Sensor. Also compare the complete code of the installed unit.
Compare the views from the same angle and check the complete identification of the removed part.
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Application listed in the catalogue: Vaillant VMW 232-1. The variant and configuration must match the installed equipment; this does not establish compatibility with other models.
No models are documented for that search.
The application is listed in the catalogue and must be checked against the installed variant. Compatibility has not been confirmed against an exploded parts diagram.
It is not enough for you to fit: the signal type and the required version must match. The photograph does not allow to deduce Connection power, range or schema.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Pressure sensor black is displayed with PSN0001 label, Body circular and side terminal.
Visible marking: PSN0001 B; additional visible marking: 105227B; text of visible origin: MADE IN FRANCE. They are readings of the unit photographed and not a list of equivalent references.