Posted 9/25/2020 14:08 (#8514690 - in reply to #8514584) Subject: RE: Above ground pool heater options
20 on each side forty on top for a total of 80ft..
Water comes in on one side roll goes to other side roll
Then to the top and out.
You don't want the cold water on top because of the condensation dripping.
Harbor freight pump at 1,525gph
Choke it down and water will come out at about 110 degrees.
I run it wide open which ends up being like city water pressure for a constant roughly 80 degrees.