Identification of this unit
Check the Pressure marking and the Ports layout of Calydra 28 FF before choosing it.

Air pressure switch Calydra 28 FF · Chaffoteaux. Reconditioned spare part. The part has a round metal body, a switching contact and tube ports. Compare the stated pressure setting, pressure ports and electrical contacts with those of the installed pressure switch.
The Air pressure switch uses the Pressure of the pneumatic Circuit to switch a contact. It does not measure the Pressure of the Heating water or equal any electronic Sensor that has Ports of Pressure.
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 on this product page: Luftdruckschalter Calydra 28 FF · Chaffoteaux. The service reference in the parts diagram and identification of installed Part must match the appliance variant. The Boilers family name does not establish compatibility with other versions.
No models are documented for that search.
If identification does not match, consult before purchasing.
Check the Pressure marking and the Ports layout of Calydra 28 FF before choosing it.
The label, Ports and the contact scheme must be compared together. A lock may also be related to tubes, Flue fan or evacuation.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Shape alone is not enough. The pressure setting, contact operation and reference applicable to the appliance must match. This safety device must not be bypassed to keep the boiler running.
The Part displays a metallic round Body, a switching contact and Ports for tubes. Check the Pressure marking and the Ports layout of Calydra 28 FF before choosing it.