Mike Lamb Posted September 27, 2012 Report Share Posted September 27, 2012 The exhaust fan must not be located in or below a livable area. For instance, it should be installed in unconditioned space. Why is that? Do they leak? Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted September 27, 2012 Report Share Posted September 27, 2012 All piping inside the living space has to have negative pressure. If any of the piping inside the home was after the fan, there is a possibility of even a small joint leak blowing concentrated radon into the house. Quote Link to comment Share on other sites More sharing options...
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