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Joseph Lee
  • Rental Property Investor
  • Minneapolis, MN
30
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60
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Minneapolis Plumbing Question- Min Drain Size

Joseph Lee
  • Rental Property Investor
  • Minneapolis, MN
Posted Jul 12 2017, 20:47

This is a pretty specific question, but can someone tell me the minimum drain size required for a kitchen sink in Minneapolis? We're renovating a kitchen and had one plumber tell us 2.0", while my code research (section 420.3) tells me it's 1.5". 

Our drain is currently 1.5", and I don't want to have to tear into the wall if it's not necessary and I don't want to have any surprises me it comes to the final inspection for our building permit. I also have trouble internallizing pulling a permit and hiring out the work for a simple sink hookup. 

Also, if anyone has any plumber recommendations  in the area, I'd appreciate them. Thanks!

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