On Sunday, July 30, 2017 at 10:44:05 PM UTC-4, Iggy wrote:
replying to trader_4, Iggy wrote:
Yep, you're right and any plumber will back your choice in a heartbeat. I
understand, I'm just saying there's something that's much better in every way.
Beyond that, I'm currently even testing out Threaded Stainless Steel and Lead
Washers for true eternity. That setup is amazing and not nearly as bad an
extra expense as I first thought...twice that of PVC (done the right way) and
only 25% more than a full brass crap setup. This'll be for my own personal
home experiment and clients with long time family homes and estates.

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Funny, my house is 33 years old 6 sinks, all use normal P trap plumbing,
not one has had a problem. The only one I've had to work on was the
kitchen sink and that was because we changed the sink to a deep chef
type one. They also all use plumber's putty for the drains. Maybe
you just have half assed plumbers in your area.