On 09/02/2017 09:10, wrote:

presently there is an C6 MCB can I replace it to 16 to resolve this problem

What kind of water heating coil are we talking about?

(A 6A MCB sounds rather low for most heating circuits - that would limit
the heater power to about 1300W - however you can only substitute a
higher trip current MCB if the cable size is large enough to remain
protected)


--
Cheers,

John.

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