Plumbing Questions? Ask a Plumbing Expert.
Hi my name is ***** ***** I have been in the plumbing field for 20 years. I will be glad to help you today. If you do plan on connecting the floor drain to the plumbing system then you would have to get a drain with a trap primer. This is much more troublesome and expensive. The alternative is to simply install a separate drain and then terminate it outside. It would just come out of the side of the house like a condensation drain.
If you are planning to tile the floor of the laundry then you would install a tile shower drain and then bushing it down to 1" pvc then run that 1" drain to the outside anywhere convenient, just be sure that it is at least 4" above ground. You also do not need to install a trap for this application.
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