Hi Craig - thanks for the response - yes I guess it is one of those. Here are pics of the two control boxes - there are two active wires coming into the bottom control box - the closest goes straight to the top.
Attachment 139905Attachment 139906
Bottom unit to the left and top unit on the right - pics are actually upright but the process tips them over.
It is shorting where the two red wires are on the top unit - crackles a bit and may pop but not straight away power can be on for hours before it pops the circuit breakers - I assume water is leaking in from the tank (no visual evidence though) but and slowly shorting until the short exceeds 20 amps and pops the circuit breakers.
Craig - actually I am leaving now to head to Belmont as that is where my family comes from. By any chance do you live with that family of Landrovers (RR, and D2s) that are on the highway opposite the High School?
Hi Vern - thanks I am not an an electrician and only have basic knowledge so not sure how to do what you suggest.
I am out of time so - the pics will not right themselves, on the right hand pic I have disconnected the brown active power wire and isolated it with shrink tube, I have removed the blue neutral wire and isolated it and left the silver earth in place. I am assuming that with only one person in the house until I get back home, the bottom off peak element will heat the water enough.
When I get back I will get my neighbour who is an electrician to have a look and if the themostat heating unit can be replaced insitu -great if a new water system is needed - that is bad $$$$$$$.
Thanks
Garry
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