Big Frog BF4200 - 4200 GPH Koi Pond & Waterfall Pump Review
Big Frog BF4200 - 4200 GPH Koi Pond & Waterfall Pump Feature
- Tough-torque Vortex impeller passes solids to 1¼"
- Rotor, shaft, seals engineered for 24/7 continuous duty
- Overload sensor shut-off keeps pump from burn-out and overheating
- Stainless steel and fiberglass reinforced construction
- Removable fish & frog guard protects pond inhabitants from harm
The Pro's choice. Double Silicon Carbide mechanical seals (impeller side) in lubricant chamber. SiC provide greater hardness (approaching diamond), withstanding of pumping pressure, corrosion and abrasion resistant, self-lubrication and temperature fluctuation tolerance. Drive shaft and pump housing are made from stainless steel, and the housing is further reinforced with fiberglass for bulletproof abrasion and corrosion resistance.
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