Plumber: A 'deep' question about a new kitchen sink

Q: I need a second opinion on my new kitchen-sink job. I'm working with my plumber to replace my old kitchen sink with a new updated model that will fit my countertop. I'm trying to make the job as easy as possible, but my plumber tells me that we need to re-pipe all the drain lines under the new sink as well. I trust my plumber, but may I also get your thoughts on this matter? Jerry, Miss.

A: In case anyone reading this thought it was just his imagination, it's not. Today's kitchen sinks are getting deeper! I have run into this issue myself when I installed a new kitchen sink of the same length and width as the old sink, only to find that the bowls were a little deeper than the previous sink's. Deeper-sink bowls usually need lower drain lines installed under the sink for proper drainage. If you have a garbage disposal, this can complicate matters a little more.

To help you plan for this job, older sinks may have been only 6 to 7 inches deep, while today's kitchen sinks can be about 9 to 10 inches deep. On a good note, the deeper bowls can fit larger pots and help to contain splashing.

Bottom line: The "bottom line" of your new kitchen sink may be lower!

Master contractor/plumber Ed Del Grande is the author of "Ed Del Grande's House Call," host of TV and Internet shows and a LEED green associate. Visit eddelgrande.com or write eadelg@cs.com. Always consult local contractors and codes.

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Plumber: A 'deep' question about a new kitchen sink