Quote Originally Posted by AndyD View Post
I don't have any more knowledge on the subject but I think your answer is yes, no, maybe... the issues similar to yours were discussed here and there was no definate consensus or answer I'm afraid, the arguments for and against both had merit. http://www.theforumsa.co.za/forums/s...ehole-Pump-COC
AndyD, I have looked at that post, a couple of times, and can see how a COC could be applicable, due to the high voltages involved. But with a solar geyser retrofit, the ONLY electricity involved is the 12V circulation pump. And then the geyser timer - if / where needed, but not always present.