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 Junkers ZWC 28/32-1MFA 23 reconditioned. Pressure switch circular white with yellow label and lower socket. Visible marking: 605.99550; 55/45 Pa; 8-716-771-261. 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.
Compare the views from the same angle and check 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: Junkers ZWC 28/32-1MFA 23. 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.
Pressure switch circular white with yellow label and lower socket. Compare these details with the removed Part and its full identification.
Visible marking: 605.99550; 55/45 Pa; 8-716-771-261. These are readings from the photographed unit and not a list of equivalent references.
This product page identifies the catalogued application Junkers ZWC 28/32-1MFA 23. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.