Hi , In the basement , there is a mechanical vent on a bathtub wich tells me its not vented by the main stack. Could the tub be changed to a shower stall.
Also wich size drain should the shower stall be?

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Originally Posted by D-Man

Hi , In the basement , there is a mechanical vent on a bathtub wich tells me its not vented by the main stack. Could the tub be changed to a shower stall.
Also wich size drain should the shower stall be ??

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Yes, You will have to extend the raiser up to 3" over the floor line and then fill the tub dap out with cement.The trap and raiser should be 2".
Good luck.

Tom