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STA-Rite STEP20 4 inch Submersible Pump - STEP20-03

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STA-Rite STEP20 4 inch Submersible Pump - STEP20-03
  • Buy 2 for $269.50 each and save 2%
  • Buy 5 for $264.00 each and save 4%
  • Buy 10 for $258.50 each and save 6%

Availability: In stock

High-Head Filtered Effluent Pump, Stainless Steel, 1/2 HP, 115V, 20 GPM

The new STEP Plus™ 4" submersible effluent pump 20 GPM (gallons per minute) model offers dependable performance and value for high pressure filtered effluent applications.


Key features
  • 1/2 HP, 115 Volt, single-phase, 2-wire
  • Superior performance
  • Stainless steel and composite construction
  • Exclusive industry dry-run capability
  • Enclosed and self-lubricated Nylatron® shaft-bearing resists
    wear from sand
  • Serviceable fiberglass reinforced thermoplastic intake screen

Proven “Floating Impeller”
Staging System
– Incorporates
1st-in-class performance, sand
handling and thrust management
staging system with the industry
exclusive “dry-run” design element.
Reinforced engineered composites
and stainless steel, offering high
resistance to corrosion and abrasion.


Discharge – Tested-tough, fiberglass-reinforced
thermoplastic, with proven
internal check valve. Large wrench
flats and rope hole.


Shell – 300-grade stainless steel
pump shell offers high corrosion


Shaft – Hexagonal 3/8", 300-grade
stainless steel pump shaft; offers
generous impeller drive surfaces.


Shaft Bearing – Exclusive self-lubricating
Nylatron bearing resists
wear surface from sand.
Motor Bracket – Tested-tough,
fiberglass-reinforced thermoplastic;
incorporates an integral suction


1-year limited warranty






VOLTAGE:  115 volts, 60 Hz

AMP DRAW:  10.5 amps at full load

SHELL:  Stainless steel

DISCHARGE:  1-1/4" NPT, Fiberglass-reinforced thermoplastic


IMPELLERS:  Delrin® (5 stages)

DIFFUSERS:  Polycarbonate (5 stages)

SUCTION CAPS:  Polycarbonate with stainless steel wear ring

THRUST PADS:  Proprietary spec.

SHAFT AND COUPLING:  Stainless steel 300 grade

INTAKE:  Fiberglass-reinforced thermoplastic

INTAKE SCREEN:  Polypropylene

POWER CORD:  300 Volt “SOOW” jacketed 10' leads, 115 Volt, 2-wire with ground

Additional Information

Additional Information

Manufacturer Sta-Rite
Attachment View File Sta-Rite Step20 Specifications Size: (80.41 KB)
Attachment View File Sta-Rite Step20 Owners manual Size: (74.95 KB)
Product Reviews
Number of reviews : 8
Average rating : 4.9 /5
H. Phong
  the 21/05/2020
5/ 5
Great price.
M. Jorge
  the 01/04/2020
5/ 5
First time using this pump but already feels sturdier than previous pumps used. Long cord very useful and great output to sprinkler system over 200 ft away.
B. Derral
  the 13/04/2019
5/ 5
They had the best price.
  the 14/01/2019
4/ 5
O. Charles
  the 08/10/2017
5/ 5
replace an old one just like. does good job.

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