[Shop-talk] Hot/Cold drain

[Paul Parkanzky]

Tim,

I'm glad that I'm not the only scientist puzzled by that.  My theory was the
same as Randall's.  To test it, I would measure the flow from the faucet of
hot and cold water.

-Paul
On Jan 8, 2008 2:38 PM, Mullen, Tim <Tim.Mullen at ngc.com> wrote:

> Okay, shop talkers, here's a puzzle.
>
> One of the guys on another list has just completed a bathroom remodel.
>
> The problem he is having, however, is that hot water doesn't drain as
> fast from his sink as cold water does.  The plumbing system has a water
> softener that feeds both hot and colt water if that matters.
>
> Here's one of the quotes:
>
> "It seems to drain fine when it's cold but when I add hot water to the
> mix it begins to back up into the sink with intermittent gurgling
> bubbles rising from the drain pipe."
>
> So, what could be the problem?
>
>
>
> Tim Mullen
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