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.

Reconditioned air pressure switch Cointra E 20 I. Square black body with a circular white label and a green centre; on the back, the terminals are aligned above the switch. Compare the stated pressure setting, pressure ports and electrical contacts with those of the installed pressure switch.
Compare the full code, Ports and terminals. Two Pressure switches can share housing and have a different calibration.
Terminal alignment and label. Compare views from the same angle and complete Part identification 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: Cointra E 20 I. 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.
Body black square with white circular label and green center; on the back the terminals line up on the Switch. Compare these details with the Part removed and their complete identification.
Terminal alignment and label. Compare views from the same angle and complete Part identification removed.
This product page identifies the catalogued application Cointra E 20 I. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.