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Posted by hallerb@aol.com on February 5, 2008, 5:08 pm
> localhost wrote:
> > I have a old, thin-walled house with external galvanized iron dwv
> > servicing the kitchen sink and dish washer. The dwv is rusting through
> > in spots and needs to be replaced. The nearest location in the house
> > where a vent pipe can be run internally to the roof is at the utility
> > room ~30' away. The other option is to run another external dwv pipe.
>
> > If I were to put in a island vent under the sink, is 30' too far of a
> > horizontal run for the foot vent? If that's not an option, what do
> > people generally use for external dwv now?, abs, pvc?
>
> Obviously, the local inspector is the person
> with hard answers and interpretations.
>
> You can run ABS or painted PVC or even copper
> for the outside vent.
> It's not DWV, but electrical conduit will hold
> up well too.
>
> 30 Ft is not too far for one fixture on a 1 1/2"
> vent. =EF=BF=BDRemember, it has to slope upward toward the
> vent stack though.
>
> Nothing too exciting here:http://www.theplumber.com/vent.htmlhttp://tinyur=
l.com/33f64c
>
> Jim
I wasa under the impressions islands could use those mini vents? or
whats known as a loop vent
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