Can I use a toilet drain for a sauna drain?

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  • This topic has 3 replies, 4 voices, and was last updated 15 years ago by John Aldrich1.
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    • #279545
      john watson

      Hi there – I’m planning to replace a small 2-piece washroom with a sauna. Can a toilet drain be used as a sauna drain by putting in a p-trap? Will the water evaporate from the p-trap if not used frequently? Is there another type of trap that prevents sewer gas from entering, but doesn’t use water?
      Thanks for any ideas.

    • #301150
      CincinnatiPlumbing

      1) Can a toilet drain be used as a sauna drain?
      Yes, but we would need to see firsthand the piping arrangement you now have and what your sauna will require.

      2) Will the water evaporate from the p-trap if not used
      frequently?
      Yes it will.

      3) Is there another type of trap that prevents sewer
      gas from entering, but doesn’t use water?
      Not that I’m aware of. However, you could install a trap primer which will add water to the trap each time a fixture on that particular waterline the primer is installed on is used.

    • #301151
      sonneckshock1

      Thanks Cincinnatiplumbing for the reply and idea about the trap primer.

    • #301152
      John Aldrich1

      Sonneckshock, Try putting a cup of mineral oil in the sauna drain after each use. The mineral oil will not evaporate as quickly as water.

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