I’m in the process of remodeling the downstairs bathroom of a raised ranch home. After removing the toilet, I noticed that if anyone flushes a toilet upstairs, the water rises in the exposed sewer line to within a couple inches of the floor. The level then goes down as fast as it rose. This all takes place in about 10 seconds.
There is little or no water noticed if the upstairs bath tub and sink is run on high or if the washing machine or dishwasher is discharging. If I take a garden hose on full to the opening, I don’t see any backup. I only notice this when a toilet upstairs is flushed.
Is this indicative of some restriction in the sewer line? One plumber said there should never be any rise in the water level. Another said that’s to be expected.
My question is, is this normal?
Or does this indicate a restriction in the sewer line?
This point is the lowest point of the house. The sewer line is just below the slab floor.
There is little or no water noticed if the upstairs bath tub and sink is run on high or if the washing machine or dishwasher is discharging. If I take a garden hose on full to the opening, I don’t see any backup. I only notice this when a toilet upstairs is flushed.
Is this indicative of some restriction in the sewer line? One plumber said there should never be any rise in the water level. Another said that’s to be expected.
My question is, is this normal?
Or does this indicate a restriction in the sewer line?
This point is the lowest point of the house. The sewer line is just below the slab floor.
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