Immersion Heater Problems ;-(

Dear Group,
I have started having problems with my water heater lately along wit my circuit breaker. The other day my 15amp fuse wire for my immersio water heater blew. The wire was only broken the first time....so replaced it and thought nothing of it. A short time later when I wen to use my hot water it violently blew again but this time the wire wa completely melted, gone, nothing left. I have a Horstmann Electronic Maxistore timer hooked to it and for the past 7 months i've had it se to "continuous" rather than boosting or 1hr/2hr timing. I've never ha a problem with it before but now I have replaced the fuse wire 4 time and each time it has blown and melted. Any ideas? Thank
-- Tim W.
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Tim W. wrote:

a: The immersion heater element is shorted internally to the sheath (earth).
b: Use fatter fuse wire:-)
Jim
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