Re: Does a Sump Pump Have to be Vented?

BAN wrote:
> 
> I am in the process of finishing my basement.  I have a sump pump in
> one corner with a discharge pipe (going to the storm drain).  There is
> also a vent pipe which is simply a run of open PVC going from the sump
> pit to the outside.  If I put my hand over the vent pipe, there is
> positive pressure (i.e., cold air is coming in from outside).
> 
> The sump pump pit will actually be on the inside of a finished room
> with a removable platform over the top (serving as an end table).
> [Note: This has already passed inspection].
> 
> I noticed today, that the vent pipe is very wet as the humid air
> condenses on the pipe.  This is a problem as this pipe is about to be
> closed up behind drywall.
> 
> Is a vent pipe typically required for a sump pump?  If so, what is the
> best way to control the condensation problem?
> 
> I know I need to check my local building codes, but I am interested in
> any preliminary comments or recommendations.
> 
> Thanks

Normally, they are not vented and the cover is made to fit tightly.
Treating the water in the sump once in a while with bleach will
cut down on offensive odors and help control insects that like
to breed in there.

For some opinions on this issue:
http://www.thisoldhouse.com/toh/knowhow/plumbing/article/0,16417,195703,00.html

Jim