Kitchen branch line sizing... old house

656 Views 2 Replies 2 Participants Last post by Vipersdeuce, Dec 12, 2012

Vipersdeuce

Discussion Starter · Dec 12, 2012

I'm doing a kitchen gut remodel in a house built in 1923. Drain from sink, venting and pipe under basement floor were 1 1/2". This is in Saint Louis (city). Can I go back with 1 1/2" PVC to avoid digging up the basement floor even though 2" is code?

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Vipersdeuce

Discussion Starter · #3 · Dec 12, 2012

Thanks for the reply.

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