Control knob, terminals and bulb
Compare the layout of the terminals and the assembly of the bulb. No operating temperatures or electric equivalences are assigned from the external form.

thermostat capilar Saunier Duval Thelia AS23 refurbished. Compare the reference, connections and attachments to the Part of your equipment before choosing the Replacement part. The Body metal has a shaft of Control knob striated and capillary copper finished in bulb.
The Assembly photographed has Body of Control knob and a capillary finished in bulb. Full identification allows to distinguish versions with a similar appearance.
The Control knob axis, the fixings and the bulb. Compare the views from the same angle and the complete identification of the Part 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: Saunier Duval Thelia AS23. 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.
Compare the layout of the terminals and the assembly of the bulb. No operating temperatures or electric equivalences are assigned from the external form.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
The Body metal has Control knob striated shaft and copper capillary finished in bulb. Compare these details with the Part removed and their complete identification.
The Control knob axis, the fixings and the bulb. Compare the views from the same angle and the complete identification of the Part removed.
This product page identifies the catalogued application Saunier Duval Thelia AS23. It does not establish equivalence with other versions; service documentation linking Part to the specific model is required to extend compatibility.