Identification before replacement
The cut-off temperature, type of contact or rearmament procedure of an outside photograph is not deducted.

Temperature limiter Saunier Duval STY 300 reconditioned. Assembly from Body metal carries flat terminals, a white circular element and a capillary finished in long bulb. Compare the reference, connections and bindings with the Part from your computer before choosing the Replacement part.
The Assembly has Body from Connection and a capillary bulb finish. The function and operating temperature of each version must be contrasted with its identification.
Terminals and bulb mounting. 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.
Your photo stays on your device: it is not sent or stored.

Application listed in the catalogue: Saunier Duval STY 300. 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 cut-off temperature, type of contact or rearmament procedure of an outside photograph is not deducted.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
The Assembly of Body metal carries flat terminals, a white circular element and a capillary finished in long bulb. Compare these details with the removed Part and its complete identification.
Terminals and bulb mounting. Compare views from the same angle and complete identification of the removed Part.
This product page identifies the catalogued application Saunier Duval STY 300. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.