Does this immersion heater have a thermal cutout on it ?

Hi guys, does this immersion heater have a thermal cut out on it. I don't think it does. Not sure what the red reset button is , possibly for the cylinder stat side of things ?  

I am not even sure if there is a tank in the roof on these as there was so much rubbish up there.  Can anyone advise please.

 Thanks

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  • Hard to tell - I can't seem to zoom in on the picture so can't work out the details, but there does seem to be a lot more going on than usual. If the separate stat/reset controls the supply to the immersion (e.g. via a contactor elsewhere), it may well function as an overheat trip. Some immersions have the overheat trip built into the thermostat, so can look very similar to the old ones without a trip.  Is it on an unvented system by any chance? It sort of looks like what you might see on a megaflo or similar (in which case there wouldn't be a header tank anyway).

       - Andy.

  • Thanks Andy.  I have just had a chat with a plumber mate. He seems to think the red button is the thermal cutout. As you say he also confirmed there wasn't a tank in the roof.  

    Gary

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