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 Drain, Waste and vent repipe in kitchen of old house
Author: Tacoldhouse (WA)

Hi all,
Bought a 75yo house in Tacoma WA. Going to get a plumber to repipe the hot and cold water (currently it's galvanized piping) and replace the sewer main. Wondering about repiping the drain, waste and vents in the bathroom and kitchen, do I need to? So far no issues. What are the advantages of doing it all at once? If I put it off what are the possible issues? My concern is that this project is getting pricey. FYI, DYI is not an option at all. TIA!

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 Re: Drain, Waste and vent repipe in kitchen of old house
Author: bernabeu (SC)

Quote

... What are the advantages of doing it all at once?



Opening the walls ONCE to do it ALL as opposed to ANOTHER rehab 'down the road'.

==============================================

"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638

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 Re: Drain, Waste and vent repipe in kitchen of old house
Author: sum (FL)

Is it a slab foundation? Crawlspace? Basement? Single story two story? What is the drain line made of? What are their conditions? Have some of the drains been replaced over the years? All play into the decision.

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 Re: Drain, Waste and vent repipe in kitchen of old house
Author: Tacoldhouse (WA)

That's what I suspected. Thanks.

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 Re: Drain, Waste and vent repipe in kitchen of old house
Author: Tacoldhouse (WA)

Is it a slab foundation? Crawlspace? Basement? Single story two story? What is the drain line made of? What are their conditions? Have some of the drains been replaced over the years? All play into the decision.

No replacement of anything, ever that we can determine. Basement, totally unfinished. 1 story house. Plan is to convert to ADU and rent out in the next year or so. No idea what drain line is. Inspection said hot and cold piping would need to be replaced in 2-5 years. No info on waste system lines.

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 Re: Drain, Waste and vent repipe in kitchen of old house
Author: hj (AZ)

At 75 years, I would suspect cast-iron wastes and vents, and if so, I would not be too concerned about needing replacements, but a camera inspection would verify it.

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