Our current pool/spa system (6 x 9 SPA) uses single VS 3050 and runs thru clear and clean 400 filter and max temp 400 heather (all pentair) feeding 7 mini-storm (Waterway) 12 GPM jets using 2" return pipe over 120' with drop of 10' to pool equipment pad. Suction is 2 1/2" pipe.
At 3450 RPM we...