Pump curves, not box GPH

The calculator solves operating flow where pump head meets plumbing, filter and chiller resistance.

6 supported pump curves
Marginal results are downgraded when the curve is approximate.
Curve B

Active Aqua AAPW400

Curve points are approximate digitization anchored to manufacturer rated flow/pressure.

Zero-head flow370 GPH
Max head7.4 ft
Power24 W
Connections1/2 in, 3/4 in
Pump curve usedSource ↗
Curve B

Active Aqua AAPW550

Approximate manufacturer-chart digitization; marginal verdicts are intentionally conservative.

Zero-head flow529 GPH
Max head7.7 ft
Power33 W
Connections1/2 in, 3/4 in
Pump curve usedSource ↗
Curve B+

Active Aqua AAPW800

Manufacturer publishes 800 GPH, 58 W and 4.1 psi rated output pressure.

Zero-head flow800 GPH
Max head9.5 ft
Power58 W
Connections1/2 in, 3/4 in, 1 in
Pump curve usedSource ↗
Curve B

Active Aqua AAPW1000

Curve is conservative interpolation anchored to manufacturer 1,000 GPH and 4.9 psi output-pressure data.

Zero-head flow1000 GPH
Max head11.3 ft
Power92 W
Connections3/4 in, 1 in
Pump curve usedSource ↗