Since we are currently planning the plumbing, I brought up the topic of backflow preventers. We have three points in the basement where wastewater is discharged outside. For some reason, they didn’t channel everything to one location...
The plumber says that backflow preventers are not planned for our system. Apparently, they are only required if rainwater is also discharged into the sewer system. In our case, this is not allowed, meaning only wastewater goes into the sewer.
Since we are building in a flood-prone area, I believe it is still possible that water could back up through the sewer system.
What do you think? Wouldn’t I need backflow preventers after all?
The plumber says that backflow preventers are not planned for our system. Apparently, they are only required if rainwater is also discharged into the sewer system. In our case, this is not allowed, meaning only wastewater goes into the sewer.
Since we are building in a flood-prone area, I believe it is still possible that water could back up through the sewer system.
What do you think? Wouldn’t I need backflow preventers after all?
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Baumfachmann28 Jan 2018 00:58In most cases, not with a slab foundation
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