Blue Thumb External Pond Pump

Power your pond or waterfall with maximum efficiency and reliability using the Blue Thumb External Pump Series. Engineered for high‑flow installations, these American‑made pumps combine quiet, energy‑efficient performance with the convenience of self‑priming operation – perfect for both residential and commercial applications.

Each model features powerful low‑RPM motors with 3‑inch inlet and outlet ports, providing exceptional water flow and reduced friction loss. The heavy‑duty housing includes a large integrated strainer basket and a Lexan easy‑open lid for quick cleaning and inspection.

With stainless steel shaft seals, cool‑running fan‑cooled motors, and interchangeable impellers, this external pump line delivers years of trouble‑free performance — all while maintaining top‑tier energy efficiency.

Key Features

• Professional‑grade efficiency – Low watt draw with high‑flow, low‑RPM design

• Self‑priming operation – Safe, convenient startup without manual priming

• Whisper‑quiet performance – 1725 RPM motor housed in a fully enclosed fan‑cooled casing

• Oversized strainer basket – Captures large debris and prolongs pump lifespan

• Corrosion‑resistant stainless‑steel shaft seals for long‑term durability

• Quick‑connect fittings included (fits 2″, 2½″, and 3″ plumbing)

• Oil‑free and energy‑efficient operation – Safe for pond ecosystems

• Easy serviceability – Removable lid, clamp ring, and impeller interchangeability

• 3‑year limited manufacturer’s warranty

Technical Overview