The housing does not determine calibration
The colour of the label and the external resemblance are not enough to choose the Replacement part. Confirms the marking and version; it is not proposed to modify its setting.

air pressure switch Ariston Genus 27 BFFI refurbished. Square black housing with Honeywell label circular white, green center and two Ports on one edge. Compare the indicated tarado, Ports Pressure and electrical contacts with the Pressure switch installed.
Compare the full code, Ports and terminals. Two Pressure switches can share housing and have a different calibration.
The square housing and the circular label. Compare the views from the same angle and 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.
Your photo stays on your device: it is not sent or stored.

Application listed in the catalogue: Ariston Genus 27 BFFI. 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 colour of the label and the external resemblance are not enough to choose the Replacement part. Confirms the marking and version; it is not proposed to modify its setting.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Square black housing with Honeywell label circular white, green center and two Ports on one edge. Compare these details with the removed Part and its complete identification.
The square housing and the circular label. Compare the views from the same angle and the complete identification of the removed Part.
This product page identifies the catalogued application Ariston Genus 27 BFFI. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.