Grundfos 98924421, Model 35s75-28, 35s-SP Series, 4" Multistage Submersible Well Pump (Complete with Pump, Motor and Motor Lead), 7-1/2 HP, 230 Volts, 3 Phase, 28 Stage, 60 Hertz, 1-1/2" NPT, Discharge, 3450 RPM, 45.67 GPM Max., 806.28 ft Max. Head, 304 S

SKU #: 98924421
Brand: Grundfos
Available For Order! (Usually Ships 7-10 Days)This product is direct shipped from the manufacturer to our distribution center where it is checked, packaged and processed by our quality control team. The shipping time shown is the estimated number of business days the product will ship out from our warehouse, excluding any manufacturer back logs or delays.
FREE SHIPPING ON THIS ITEM ! Offer applies to the lower 48 states and excludes Alaska, Hawaii, APO/FPO and international orders. Free standard shipping applies to U.S. orders only and to select items that meet UPS Standard Ground container/cube requirements. Free Shipping
Call Sales Counter !
Order By Phone
Calculate Shipping Ship Weight (181.00 lbs)
0 reviews for this product


Grundfos 35S-SP Submersible Pump

Grundfos SP submersible pump is renowned for its high efficiency and reliability throughout the range. Made entirely of corrosion-resistant stainless steel, SP pump is ideal for a wide variety of applications.

Grundfos SP pump represent state-of-the-art hydraulic design. Built to deliver optimum efficiency during periods of high demand, the SP pump provides low long-term costs and high operating reliability regardless of the application.  

The Grundfos SP range offers high efficiency, high resistance to sand and other abrasives, motor burnout protection, and easy maintenance. A complete monitoring and control system is available for constant optimisation of the pumping system.


The pump is suitable for:

  • Groundwater supply to waterworks
  • Irrigation in horticulture and agriculture
  • Groundwater lowering
  • Pressure boosting
  • Industrial applications


  • State-of-the-art hydraulics provide high efficiency and low operating costs
  • 100 % stainless steel inside and outside
  • Sand resistant
  • Resistant to aggressive water
  • Motor burnout protection
  • Dry-running protection
  • Monitoring, protection and communication via the MP 204 protection unit and the R100 remote control


Note: Picture is illustrative and may not reflect the actual product.

Brand4" Multistage Submersible Well Pump
Mfg. NumberWater supply, irrigation
Product Type7-1/2 HP
Horsepower230 Volts
Phase60 Hz
Synchronous Speed4" Dia
Speed3450 RPM
Speed Code28
High Voltage Full Load Amps304 Stainless Steel
Frame Size304 Stainless Steel
Base IndicatorGrundfos
Motor Type304 Stainless Steel
Motor StandardsMS4000
Nameplate Output98924421
Number of Poles1-1/2" NPT
Shaft Rotation35s75-28
Pulley Face Code806.28 ft
Thermal Device - Winding35s-SP
Frame Material45.67 GPM
Motor Lead Quantity/Wire Size103 lb

Call Our Sales Counter For Assistance, Price Quotes, Availability & To Place An Order

Inspector Pumphead & Our Customer Service Representatives Are Available

Mon-Fri 7:30 am to 5:00 pm EST

Call Toll Free: 800-429-0800

"Ask Inspector PumpHead"

*Note: Picture is illustrative and may not reflect the actual product.*