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BAVE

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Discussion starter · #1 ·
We are in the late stages of a build (Texas) and ran accross something that I am not sure is an issue. The builder gave us the option to install floor drains in each of the three return closets as well as the floor of the laundry room. However, today we realized that these drains are not simply draining water outside of the home but into the sanitary sewer line. I am concerned that this may be an issue with gas release and recirculating into the home because we are on septic. Should I be concerned? I wouldnt have even thought this would be to code.
 
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Discussion starter · #3 ·
How do I find out if they have traps? I'm sure if I ask the plubing co they will say yes just to avoid issues. Do the traps go dry if not regularly used as would be the case with floor drains in the return closets?
 
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I want to learn


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Steve75


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How do I find out if they have traps? I'm sure if I ask the plubing co they will say yes just to avoid issues. Do the traps go dry if not regularly used as would be the case with floor drains in the return closets?
Yes, they will dry up.
 
Floor drains must have traps but without regular use they will/ may dry out. Without an atomatic way to kept them filled yoou'll smell the sewer gas. best thing is to fill with water then top with vegatable oil that will not evaporate as quick as just water
 
Save
I can't imagine that in Texas with as long of a cooling season as you have, that you'd have issues with the trap drying up. If you go gas heat with high effceincy, then it would be a non issue. Worst case, just make a note in late Jan to pour a cup of water down it. But then again I'm not a plumber. But I do have a floor drain in my baseent that never gets used. Once every 6 months or so i pour a quart or so of water down it.
 
We are in the late stages of a build (Texas) and ran accross something that I am not sure is an issue. The builder gave us the option to install floor drains in each of the three return closets as well as the floor of the laundry room. However, today we realized that these drains are not simply draining water outside of the home but into the sanitary sewer line. I am concerned that this may be an issue with gas release and recirculating into the home because we are on septic. Should I be concerned? I wouldnt have even thought this would be to code.
ot
If the floor drains are being offered to you as an option, clearly would indicate that the condensate disposal from the AC is being disposed of by other means as may be required. Not all municipalities want the extra load on the sanitation system requiring extra treatment at the water plant.
If the traps are in a closet that is part of the the return air for the air distribution system then a trap primer would be required to prevent evaporation of the water seal that prevents methane gas from entering the building.
 
Since you said that you were on septic, then the municipality would not have a beef about you putting the condensate water into your septic tank.

My preference would be to have trap primers, but pouring some water into the floor drains is just as effective.

Your builder or architect should know if trap primers are required in your municipality.
 
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