On 2019-01-08 11:58 a.m., Cindy Hamilton wrote:
> On Tuesday, January 8, 2019 at 10:29:16 AM UTC-5, Sheldon wrote:
>
>> Older waste lines are brass (not copper),
>
> You don't know everything. In the first house I owned, the main stack
> was copper. I can't quite recall what the other drain lines were made
> of; it's been more than 20 years since we sold that house.
>
> Cindy Hamilton
>
Mine are copper!
Sheldum really is a "Know-all, Know-nothing" type.