I got it apart and tried resealing but it still weeps a little same as before, so I think it might be the bronze scoop in the hull. Or the teflon sealer washed off which I doubt.
Needed handle off to spin off the assembly and had to remove rusty nut so used Kroil. Had to heat the elbow
with a torch to get that apart. It all got liberal amount of teflon paste sealer going back together.
This Apollo valve has stainless handle, bronze body stainless ball valve, bronze shaft and stupidly a common steel
Water fountain was shooting upwards like a fire house in the movies Not true.
Water pushed up about a foot and was easy to stop with the weight.
picture of Apollo valve.
very heavy lead weight with rubber pipe cap