Hello all
I purchased a home with a DIY in ground spa with 16 (yes, 16 jets on a 2 1/2 hp pump). And two swim jets on a separate return line.
No heater. 3000 gallon spa
I purchased a MasterTemp 400 NG and an Intelliflo 3 pump. (Yes, I know overkill on both heater and pump).
Reading...