Soil stack replacement Q
Hi guys
our bungalow ("L"-shaped) has a nuisance soil stack (stench pipe)
situated in the back, in the inside corner of the "L". Currently it's
made of cast iron, looks grotty,and is a pain, as the guttering is
squeezed behind the angle where it goes up.
I know it's possible to replace it with a straight pipe, which enters
the eaves, and vents through a chimmney in the roof (replacing a
tile).
However, since the purpose of the pipe is to admit air (to prevent
siphonage), is it possible to fit a new shorter pipe, with an air-
admittance only valve ? I'm sure I've seen one advertised ...
thanks in advance
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