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how many times there is at least one question on gas fired storage hot water cylinders in the licencing exams??? ive noticed its in every exam since 2007!! must be a north island thing, we dont install them down here!!!
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yup - the other one of note is the package burner!
how many exams has that been in??
have not had anything to do with one since weltec!!
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i noticed it in every exam since june 2007