How does sewer gas get in your house?
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Studied at the University of Cambridge, Lives in Cambridge, UK.
All drains to a sewer system have a "P" shaped trap that is usually filled with water. The trap provides a seal to keep out sewer gas. If your basement floor drain is rarely used, water evaporates from the trap over time. Eventually the seal is eliminated, allowing sewer gas (and smell) into your house.
2023-06-11 22:18:30
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Amelia Ramos
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All drains to a sewer system have a "P" shaped trap that is usually filled with water. The trap provides a seal to keep out sewer gas. If your basement floor drain is rarely used, water evaporates from the trap over time. Eventually the seal is eliminated, allowing sewer gas (and smell) into your house.