Re: Slow Shower Drain
Posted by e-plumber on February 25, 2004 at 22:25:43:
In response to Re: Slow Shower Drain
: I recently had a walk-in shower installed in the space previously occupied by a cast-iron bathtub. The new shower drains extremely slow, and I find myself standing in an inch or so of water during showering. A drain-cleaning company ran a cleaning snake through the floor drain all the way to the main sewer and said it was clean with no blockage. Their theory was that it was not vented properly, because of its location past the vent stack.
: What would be causing this new shower not to drain properly and quickly? More importantly, what would be a viable solution?

It's probably not a venting issue.
The proper way to have connected the new shower drain to an existing tub drain line would be to increase it to 2" (the required size for a shower drain line). Depending on the way the drain was installed could be the cause of the problem. Try to use a water restricting shower head (2.5 gpm), it may help.
Good Luck. e-plumber

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