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.

Hermann Micra 2 air pressure switch, refurbished. Black square pressure switch with two ports and a Honeywell label; the reverse shows a metal base and a switch with terminals. Compare the indicated setpoint, pressure ports and electrical contacts with the installed pressure switch.
Compare the full code, Ports and terminals. Two Pressure switches can share housing and have a different calibration.
Two Ports, square frame and terminal layout. Compare views from the same angle and 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: Hermann Micra 2. 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.
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.
Pressure switch square black with two Ports and Honeywell label; the back shows Base metal and Switch with terminals. Compare these details with the Part removed and their full identification.
Two Ports, square frame and terminal layout. Compare views from the same angle and complete identification of the removed Part.
This product page identifies the catalogued application Hermann Micra 2. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.