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Post by independentenergy on Mar 30, 2014 11:09:35 GMT -8
Hi is correctly calculate the diameter of the chimney according to the size of the input port of the primary air? in a J-tube feed port is 170mm, the chimney must also be from 170mm?
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Post by doggy1969bc on Mar 30, 2014 16:58:06 GMT -8
yes and no it can be smaller but I don't know by how much
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Post by independentenergy on Mar 30, 2014 22:48:45 GMT -8
OK thanks
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