Video: What size rough-in for a vintage toilet?

Excellent: The vintage plumbing experts at deabath.com made this short video to show exactly how to determine whether you vintage toilet needs a 10″, 12″ or 14″ rough in.
I love the folks at deabath.com! If you need anything re: 20th Century bathroom parts, they are my first go-to place.

I feel so much smarter now. Yet another way to impress all your friends and family at boozy holiday gatherings. This, and long discussions of the thermodynamics of roof ice dams are how to prevent them.

vintage toilet bowl size

Disclosure: Deabath is a longtime advertiser on the blog. But, this story is not “part of the deal.” 

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Comments

  1. Carol says

    Mystery solved for me! Thank you. I want to change my early 80’s bath to a vintage bath and I have found some affordable sets for a 3 piece bath. The toilet thing was always a mystery! I’m on a slab and there is no room for error so this info is very much appreciated.

  2. Joe Felice says

    Do we know why they have different rough-ins? Most today are 12″, including the ones in my home. I always love it when I see a bathroom where the toilet is 2 feet from the wall. What is up with that?????

    • la523 says

      The 10″ and 14″ rough-in commodes are very useful if you’re renovating and want to move the toilet. Sometimes, the place you’re moving it too will happen to be right over a joist that’s 12″ from the wall. In those situations, a 10″ or 14″ rough-in lets you put the drain behind or in front of the joist respectively.

      As to why old houses were sometimes built with 14″ rough-ins from the start, I haven’t a clue.

  3. richmond says

    I bought an Australian toilet made to CANADIAN specs and it was built with a pipe piece to allow it to adapt to ETHER 10 OR 12 inch
    and that “fixed” the issue I had with my tank IN the WALL

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