



Leader ECOSUB 420 Submersible Pump — 1/2 HP, 3,960 GPH
Built for demanding grow rooms and water features, the Leader ECOSUB 420 submersible pump moves up to 3,960 GPH with a durable, wear-resistant shaft and impeller. Its anti-corrosive, rust-proof construction and thermal overload protection ensure long service life in reservoirs, sumps, and ponds.
Multi-Purpose Pump for Hydroponic Systems, Ponds & Waterfalls
Perfect for drainage, emptying tanks, transferring water between containers, circulating water in garden ponds, powering waterfalls, and feeding fountains. It handles clear water with particles up to 1/2" (recommended up to 1/4" for best longevity in grow applications), keeping systems clean and flowing.
Reliable Build, Easy Setup, Quiet Performance
A self-sealing fitting and 16 ft power cord simplify installation, while quiet operation supports indoor and outdoor use. The motor’s thermal protection safeguards against overheating under heavy duty cycles.
Specs that Matters
- Voltage/Frequency: 115V/60Hz
- Power: 750kW, 7.1A
- Horsepower: 1/2 hp
- Maximum Flow Rate: 66 gpm
- Maximum Head: 30ft
- Maximum Pressure: 13 psi