Forum Title: help with disposal working with new sink depth
Hello, I'm getting new granite countertops/sink and still want a garbage disposal to work. My concern is the current height of the drain pipe going into the wall. My plan is to get a new InSinkErator disposal with a model that has 6" from the bottom of the sink to the center of the exit pipe of the disposal. If I get a 9" deep sink... plus the 6" for the disposal... the exit of the disposal will be exactly 1.75" higher (center of pipe to center of pipe) than the drain pipe going into the wall. Is this high enough? Should I go with an 8" deep sink, and then the exit will be 2.75" higher than the wall drain? 1) is 1.75" higher enough? 2) will another inch (using an 8" deep sink vs a 9" deep sink) make a big difference? 3) what insinkerator (or other brand) disposal do you recommend? (I've heard that the badger series isn't very good... is it definitely worth the money to get an evolution series instead?) Thanks for your answers!!!
Category: Plumber Post By: HILDA GRIFFITH (Lincoln, CA), 05/04/2016

Here's what it currently looks like... With the new 9 deep sink, the exit of the disposal will be around 4 lower than what it currently is -- and about 1.75 above the height of the horizontal wall drain. A 90 will come out of the disposal and right into the p trap. Is 1.75 enough for everything to work properly? Or some more height is needed?

- DANIELLE FULLER (Honolulu, HI), 09/03/2017

...............

- STACEY FLEMING (Arvada, CO), 09/09/2017

I think you will just squeek by if you hook up the disposal using a flared tail peice not a 90

- O. Kheir (Lodi, CA), 09/22/2017

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