---
product_id: 43928519
title: "Grundfos 5S15-31 81545315 4\" Submersible Water Well Pump and Motor 5GPM 1.5HP 230V 1Ph 3 Wire"
brand: "grundfos"
price: "R46566"
currency: ZAR
in_stock: true
category: "Grundfos"
url: https://www.desertcart.co.za/products/43928519-grundfos-5s15-31-81545315-4-submersible-water-well-pump-motor
store_origin: ZA
region: South Africa
---

# 5 GPM steady flow 100% stainless steel durability 1.5 HP powerhouse Grundfos 5S15-31 81545315 4" Submersible Water Well Pump and Motor 5GPM 1.5HP 230V 1Ph 3 Wire

**Brand:** grundfos
**Price:** R46566
**Availability:** ✅ In Stock

## Summary

> 💧 Pump up your well game with stainless steel strength!

## Quick Answers

- **What is this?** Grundfos 5S15-31 81545315 4" Submersible Water Well Pump and Motor 5GPM 1.5HP 230V 1Ph 3 Wire by grundfos
- **How much does it cost?** R46566 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/43928519-grundfos-5s15-31-81545315-4-submersible-water-well-pump-motor)

## Best For

- grundfos enthusiasts

## Why This Product

- Trusted grundfos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust 1.5 HP Motor:** Power through your water needs with reliable single-phase 230V performance.
- • **All-Stainless Steel Build:** Corrosion-resistant components ensure longevity and minimal maintenance.
- • **Consistent 5 GPM Flow Rate:** Maintain steady water supply for your well with precision-engineered flow.
- • **Ready-to-Install 4-Inch Submersible:** Compact design fits standard wells, delivering professional-grade performance.
- • **Precision Engineered for Reliability:** CAD-designed and robotically manufactured for industry-leading quality.

## Overview

The Grundfos 5S15-31 is a 4-inch submersible water well pump featuring a powerful 1.5 HP single-phase motor running at 230V. Delivering a steady 5 gallons per minute, it boasts a fully stainless steel construction for unmatched durability and corrosion resistance. Engineered with precision CAD and advanced robotics, this pump ensures reliable, long-lasting performance for domestic groundwater systems. Note: Control box sold separately for 3-wire applications.

## Description

Grundfos 5S15-31, Material #81545315, 1-1/2 Horse Power, 1 Phase, 230 Volts, 4" Dia, 3-Wire, 5 gallon per minute. The complete pump DOES NOT include control box. Control box sold separately. Control Box required for 3-wire single phase applications. STAINLESS STEEL CONSTRUCTION Grundfos submersibles feature rugged and durable stainless steel construction for all vital pump components. Impellers, diffusers, shafts, vanes, cable guards, couplings...even the nuts and bolts are stainless steel. Grundfos’ 4-inch pump systems include the stainless steel pump, motor, and control box and are delivered ready to install. Computer-aided design and manufacturing techniques ensure that each pump is built to exacting tolerance and performs to industry-leading standards. Grundfos state-of-the-art production equipment includes extensive use of robotics and advanced quality assurance procedures. You can rely on quality Grundfos’ groundwater products for outstanding pump performance and best value. SUBMERSIBLES 4-INCH and LARGER WELLS The 4-inch submersibles line covers all flow requirements from 1.2 to 95 gpm and heads to 2000 feet. This broad range ensures proper pump selection for all domestic groundwater system applications.

## Features

- 5S15-31
- 1-1/2 HP
- Single Phase
- 230V
- 5 GPM

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00ODBNEC8 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #2,602,648 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,601 in Well Pumps |
| Brand | Grundfos |
| Color | Stainless Steel |
| Date First Available | October 10, 2014 |
| Horsepower | 1.5 Horsepower |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 60 pounds |
| Item model number | 81545315 |
| Manufacturer | Grundfos |
| Material | Stainless Steel |
| Maximum Flow Rate | 5 Gallons Per Minute |
| Part Number | 81545315 |
| Power Source | Battery Powered |
| Product Dimensions | 50 x 6 x 6 inches |
| Style | Submersible |
| UPC | 697666711236 |
| Voltage | 230 Volts |

## Product Details

- **Brand:** Grundfos
- **Color:** Stainless Steel
- **Horsepower:** 1.5 Horsepower
- **Item Weight:** 60 Pounds
- **Manufacturer:** Grundfos
- **Material:** Stainless Steel
- **Maximum Flow Rate:** 5 Gallons Per Minute
- **Power Source:** Battery Powered
- **Style:** Submersible
- **Voltage:** 230 Volts

## Images

![Grundfos 5S15-31 81545315 4" Submersible Water Well Pump and Motor 5GPM 1.5HP 230V 1Ph 3 Wire - Image 1](https://m.media-amazon.com/images/I/31RFm8HiSgL.jpg)

## Frequently Bought Together

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-02*