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mclauchlan

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mclauchlan
My hot water tank has 3 x22mmm holes: bottom is cold in I understand and the very top hot out ,but the 3/4 of way up 22mm has me confused as there is no coils or anything in the tank. think it will be...
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mclauchlan
immerser has 3 holes top, 3/4 of way up and bottom is cold to go in bottom or 3/4 way up and use bottom for drain?

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