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Question: 05-22 Code Section: 7 Date:

OBC 2006 Reference:

 

Question: On the attached picture (condensate for HRV and Furnace):  Do I have to vent through the roof?

 

 

Interpretation: (On. Reg. 403/97) Section 7.4.2.3(3) indicates that the vent must go through the roof when fixtures are on 3 or more stories. Traps are required to prevent air flow from one unit to another on adjacent levels.

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