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General Pump WM4215CE WM Series Reverse Osmosis Pump, 4.2 GPM, 1500 PSI, EPDM Seals

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13.50 lbs
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Quality reverse osmosis pump with parallel inlet and outlet design and heavy duty EPDM seals. Intelligent design offers efficiency and easy maintenance, compact size takes up less pump room space. Up to 4.2 GPM flow, with pressures up to 1500 PSI.

Technical Specifications

Bore: 18 millimeter
Crankcase Capacity: 12 ounce
Inlet Port: 1/2 inch
Max Temperature: 140 degrees F
Stroke: 12.5 millimeter
Shaft Diameter: 5/8 inch
RPM: 1750
Max PSI: 1500
Max GPM: 4.2

Product Description

1500 PSI Car Wash Pump

The compactly designed WM4215CE from General Pump is a reverse osmosis pump with a hollow shaft, parallel inlet and outlet valves, needle bearing, and stainless steel fasteners. The valves, packing kit, and crankcase are designed to be corrosion resistant. Great for water treatment, purification, and filtration applications.

Dimensions: 9" x 7.5" x 6"


  • 300 Series stainless steel fasteners
  • Parallel inlet and outlet valve design for efficiency and easy maintenance
  • Corrosion resistant valve and packing design
  • Innovative wear-resistant high and low pressure seals
  • Dual inlet and outlet porting 
  • Anodized crankcase for corrosion resistance
  • NEMA 56C flange with 5/8" hollow shaft
  • Right-handed shaft
  • EPDM rubber seals and rings
  • UPC: 682491016021


  • Maximum Flow: 4.2 GPM
  • Maximum Pressure: 1500 PSI
  • Maximum Pump Speed: 1750
  • Maximum Temperature: 140°F
  • Inlet Port: 1/2" NPT-F
  • Discharge Port: 3/8" NPT-F

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