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 Edico ED 21 EI. Square black body with a circular white Honeywell label, a green centre and two separate ports; metal back. 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.
The complete marking and the rear orientation. 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.
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Application listed in the catalogue: Cointra Edico ED 21 EI. 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 Honeywell label circular white, center green and two separate Ports; metallic reverse. Compare these details with the removed Part and its complete identification.
The complete marking and the rear orientation. Compare the views from the same angle and the complete identification of the removed Part.
This product page identifies the catalogued application Cointra Edico ED 21 EI. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.