I have a brew stand that has the March pump mounted at the lowest point. I have plumbed it so that liquid from the hlt runs through it up about four feet to the mash tun. I used 1/2 cpvc. The pump sees to prime just fine. The issue that I am having is that it just trickles out, not a nice stream. When I switch it over to the wort chiller, it works just fine. I thought that maybe I had a bad pump so, I cut the piping and used a five foot hose up to the mash tun and it worked just fine. So, I re-plumbed it and it still trickles out.
Any ideas what is going on? I would appreciate your input.