4" Discharge 1/2hp High Flow Water Feature Pump - 4HF
4" Discharge 1/2hp High Flow Water Feature Pump - 4HF

4" Discharge 1/2hp High Flow Water Feature Pump - 4HF

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Model # 4HF

Tsurumi Pump's 4HF High Flow water feature pump is built for years of continuous use in ponds, waterfalls, fountains, and more. This Pump is ideal for applications that require very large flow rates for pond/waterscape circulation. The 4HF's larger size and incredibly high flow may require more space and flow than a skimmer can provide, so be sure to check fit. 

The 4HF features;

  • 304 Stainless Steel housing
  • Oil-free motor
  • Cast Iron Axial Flow Impeller
  • Capable of Passing 0.3" Solid
  • Cast Iron Axial Impeller offers incredible flows at low head and very low energy consumption
  • Dual Inside Mechanical Seals with Silicone Carbide Faces Provide the longest life compared to lesser expensive Ceramic Faced seals.
  • Tsurumi Pump's Patented Oil Lifter Provides continuous Lubrication of the seal faces even low oil situations.


  • Discharge Size (in.): 4
  • Horsepower: 1/2
  • Phase: Single
  • Voltage/Amps: 115V/7.9A
  • Cable Length (ft.): 16
  • Dimension (W x D x H, in.): 10 x 10 x 22
  • Pump Weight (lbs.): 40


This pump is recommended for applications with (Low) 3'-9' of vertical head (discharge water travel) that demand extremely high Flow volume. This pump achieves huge flow rates with low head and very low energy consumption.

Technical Resources:

Tsurumi Pump 4HF Spec Sheet

Tsurumi Pump 4HF Performance Curve

Tsurumi Pump 4HF Operational Manual

Tsurumi Pump 4HF Parts List

Tsurumi Pump 4HF Dimensional Drawing

All Tsurumi Water Feature Pumps have a 2-Year Warranty.