[C320-list] Fresh water head-flush plumbing

[Len]

Has anyone connected the head sink drain to the head sea inlet line for
freshwater flushing?  Saw this on a boat:  tubing "T'd" into sink drain,
then "T'd" into head inlet line, with valve to open/close.   To flush, close
sink drain valve and head inlet valve then fill sink thumb-deep and flush
head with fresh water.  Prevents smells of seawater organisms from seawater
in plumbing lines.

Like to know your experiences before installing on my boat.

Len
Aqua5  #1070