Depends. Where do you live. If the ground freezes to the depth that the
pipes are buried, they'll freeze also.
Paul

"BenignVanilla" wrote in
message ...
Do the pipes buried in the ground need to be emptied for the winter to
prevent bursting? I am contemplating a series of valves in my design that
will allow me to close the pond off, and use the pump to suck the water
out
of the pipes. I figured this would be good for cleaning and for
winterizing.

Do you think it is an unnecessary expense?

--
BenignVanilla
tibetanbeefgarden.com
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