Hi Carl,

The larger pump is to go with the S180T Sand filter I have I dislike having to change the filter cartridges every week. So If I get most of what you are saying is that I might have to much flow and I might have to back it off some with a valve in the input to the panels. The pump I am going to use is a single speed. I have thought about re-using the original pump from the pool package but the extra hoses and stuff is unappealing.