[Shop-talk] Hot/Cold drain

[Mullen, Tim]

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