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Existing 4" ventpipe from a dryer with a downfacing vent. vent goes through the floor (unfinished basement) into a 90deg elbow and then straight out through the exterior wall. Maybe this is a plumbing thing but I was thinking of installing a TEE instead of the 90deg elbow to assist in cleaning out the ventpipe (not frequently) but wondering if this is worth it or totally not recommended. I am concerned with lint collecting at the T as opposed to doing the 90deg turn and eventually clogging up, defeating the entire purpose of having a T there, in other words...
Is the T a bad idea? Any first hand experience out there?