bstranz
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I've seen similar threads on this topic, but I've got a unique situation that I've yet to see an answer for.
I am in the process of completing a large kitchen remodel in a 1935 house. The kitchen sink is a double-bowl, 10-inch deep model. I have installed an In-sink-erator 444 model disposer. The drain out of the wall is currently about 3 inches higher than the traps. The water drains, but rests in the disposer as well as the trap.
Obviously, the best option would be to lower the drain in the wall, but it is a cast iron pipe encased in concrete, hence the problem. Also, I can't change the sink, since it is undermounted with granite countertops.
So, my questions are as follows:
1. Is the current situation a code violation? ( I can drain the water by running the disposal that it only rests in the trap.)
2. Can I cap the existing drain at the wall and drain the sink through the cabinet floor? I could tie into the ECO in the cast iron in the basement that serves the current drain. The existing drain pipe would have to remain to serve the vent anyway. I assume I could use a plastic fitting with an O-ring seal to connect to the cast hub, then add a long sweep Y with ECO?? (The vent would be about 6 inches downstream in this scenario.)
Thanks in advance for any and all advice.
I am in the process of completing a large kitchen remodel in a 1935 house. The kitchen sink is a double-bowl, 10-inch deep model. I have installed an In-sink-erator 444 model disposer. The drain out of the wall is currently about 3 inches higher than the traps. The water drains, but rests in the disposer as well as the trap.
Obviously, the best option would be to lower the drain in the wall, but it is a cast iron pipe encased in concrete, hence the problem. Also, I can't change the sink, since it is undermounted with granite countertops.
So, my questions are as follows:
1. Is the current situation a code violation? ( I can drain the water by running the disposal that it only rests in the trap.)
2. Can I cap the existing drain at the wall and drain the sink through the cabinet floor? I could tie into the ECO in the cast iron in the basement that serves the current drain. The existing drain pipe would have to remain to serve the vent anyway. I assume I could use a plastic fitting with an O-ring seal to connect to the cast hub, then add a long sweep Y with ECO?? (The vent would be about 6 inches downstream in this scenario.)
Thanks in advance for any and all advice.