Immersion heater tripping water in plastic thermostat cap

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Hi

Immersion is tripping and I found water , looked like condensation in cap.

I can't see any obvious leaking but there is oxidisation. The top connection looks a bit
20220320_102025.jpg
ropey!


Is more than likely trickling down from that top connection?

Thanks
 
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All looks in poor order but start by reducing that water temperature if nothing else you will save money
 
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Unlikely to be condensation - does your hot water tank frequenly get below room temperature ? :)

I don't really see how a weep from the top connection would make it inside the immersion heater cap since it has a raised boss.

That immersion is quite old - it doesn't look like to has a secondary 'anti-boil' cut-out on the thermostat.

The reason its tripping is most likley that the element has split inside the the tank - they only way you'll find that for sure is to remove it. Once you have it out you may as well change it anyway.
 
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Durham
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United Kingdom
Unlikely to be condensation - does your hot water tank frequenly get below room temperature ? :)

I don't really see how a weep from the top connection would make it inside the immersion heater cap since it has a raised boss.

That immersion is quite old - it doesn't look like to has a secondary 'anti-boil' cut-out on the thermostat.

The reason its tripping is most likley that the element has split inside the the tank - they only way you'll find that for sure is to remove it. Once you have it out you may as well change it anyway.
No. Not frequently below room temperature. I just thought the water might have dripped down but watched it for 30 min with immersion on and the water tap on and it was dry.It had a good teaspoonful of water I poured out the cap on first inspection. It is old and yeah. I'll get the immersion swapped.
 
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