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.

Saunier Duval Isofast F 35 EA water pressure sensor, reconditioned. Orange sensor with a brass ring, O-ring and upper rectangular connector. 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.
Complete marking, shape of the electric Connector, hydraulic socket and position of the Gaskets. Compare views from the same angle and complete identification of the withdrawn Part.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: Saunier Duval Isofast F 35 EA. 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.
Sensor orange with brass ring, O-ring and Connector rectangular upper. Compare these details with the removed Part and its complete identification.
Complete marking, shape of the electric Connector, hydraulic socket and position of the Gaskets. Compare views from the same angle and complete identification of the withdrawn Part.
This product page identifies the catalogued application Saunier Duval Isofast F 35 EA. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.