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Do vent stacks need a cleanout?
I am wrestling with a venting issue of a kitchen sink/DW in a design I am working on. I have more or less decided to use a Studor mini-vent but I want to make sure my conventional vent stacks are well-designed and easy to check for obstructions should something occur that needs examination. My question is this. I know sometimes folks might have to climb a roof to verify if a main vent stack is clear. Could a vent stack have a cleanout installed so one could simply go into the attic and verify that things are ok? What would the fitting be and how would it be installed?