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Support => Plumbing, Gas fitting and Drainlaying Apprentice Support => Topic started by: Plumbher on June 07, 2010, 04:32:13 PM

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Title: Natural Draught Flue
Post by: Plumbher on June 07, 2010, 04:32:13 PM

Can anyone provide some insight into the following question :

State typical requirements for;

i) the percentage of excess air in a natural draught flue?
ii) the percentage of dilution air at the draught diverter in a natural draught flue?