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Stainless steel 4-inch submersible pump, 33 ft cord, external control box

VEVOR

VEVOR 4SSM5/18 3HP 230V 37GPM 640 ft Head 4 inch Stainless Steel Submersible Pump Specialty Appliance

SKU CH-MQT9-X61VN MPN 4SSM5/18

A 3 HP submersible pump delivers 37 GPM flow and 640 ft head from 4-inch stainless steel construction with 18-stage impellers, IP68 waterproofing, ETL certification.

  • TypeOther Appliances
  • Width8.07
  • 37 GPM flow and 640 ft head deliver strong deep-well performance
  • 18-stage thermoplastic impellers maintain consistent pressure at depth
  • Full stainless-steel construction with IP68 rating resists corrosion underwater
  • ETL-certified motor with Class F insulation runs at 3450 rpm
  • Includes external control box and 33 ft cord for ready installation

4-inch stainless-steel submersible pump

The VEVOR 4SSM5/18 is a 3 HP, 230 V deep-well submersible pump built for industrial, irrigation and residential water supply. Its 18-stage thermoplastic impellers deliver up to 37 GPM flow and 640 ft head, while the full stainless-steel frame resists corrosion during long-term submersion. An IP68 rating and ETL certification support an expected 8-10 year service life. An external control box and 33 ft power cord are included for straightforward installation.

37 GPM flow and 640 ft head capacity

The pump moves up to 37 GPM (140 L/min) at a maximum head of 640 ft (195 m), driven by a 3450 r/min motor rated at 2200 W. It operates within a 32-104 °F (0-40 °C) water temperature range and handles sandy conditions thanks to the 18-stage design. Performance tapers off beyond the stated max head, so very deep or high-lift applications may exceed its comfortable range. The 1-1/4" NPT discharge and 4-inch diameter require a well casing at least 10 mm larger than the pump body.

External control box and 33 ft cord integration

The supplied external control box with US plug manages motor start-up and protection, while the 33 ft cord connects the pump to the box without additional wiring. Insulation class F windings withstand continuous duty in the specified temperature window. The stainless-steel outlet and fittings simplify plumbing to standard 1-1/4" NPT pipework. Installers must provide a 230 V, 60 Hz supply and ensure the well casing meets the 10 mm clearance requirement.

Highlights

  • 37 GPM flow and 640 ft head deliver strong deep-well performance
  • 18-stage thermoplastic impellers maintain consistent pressure at depth
  • Full stainless-steel construction with IP68 rating resists corrosion underwater
  • ETL-certified motor with Class F insulation runs at 3450 rpm
  • Includes external control box and 33 ft cord for ready installation

Specifications

TypeOther Appliances
Width8.07

Questions about this item

Will the 1-1/4" NPT discharge fit the existing 1-1/4" pipe on my older well system?

Yes, the pump uses a standard 1-1/4" NPT discharge, matching common 1-1/4" pipe threads used on many existing installations.

How can I confirm the 3HP motor is delivering the rated 37GPM flow after installation?

Measure the water output at the discharge; the pump is rated for 37GPM maximum flow at 3450 r/min under optimal conditions.

Does the package include the 33 ft electric cord and external control box, or must they be purchased separately?

The box contains the submersible pump, an external control box with US plug, and the 33 ft electric cord — no extra parts are required for basic operation.

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