Bimetal dome, snap action, switch .
Anyone recognise the manufacturer, Google has failed for this one? other
than another failed usenet enquiry
Marked T220 is probably the temperature but is it centigrade or fahrenheit?
and 10 amp /250V or 15A/120 V
Other markings
C1-2026 ?
125-a15 ?
07A15 ?
not too clear ink-jetted markings

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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/