Yes its from the water surface.
--
Jim and Sara Humphries, Victoria, BC
"DavesVideo" wrote in message
...
Say a pump is advertised as able to deliver 1000 gal/hour at say a height
of
6". I would guess that it means 6" above the surface of the water rather
than
the bottom where the pump sits. Is this true? Doesn't seem to make sense
any
other way.


Dave
http://members.tripod.com/~VideoDave