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2 water heaters, 1 house, 2 vents

jar546

CBO
Joined
Oct 16, 2009
Messages
12,756
Location
Not where I really want to be
What is the difference between these 2?

ba12ebc5.jpg
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Does the first vent go farther? Most manufacturers will allow one size up to a certain distance, but beyond that you have to jump up to a larger pipe size. Some will also allow a 3" vent even if a 2" is all that is required, but some won't. Check the install instrucitons.
 
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