Little Giant 5-MSP Submersible Utility Pump - Compact Transfer Power

In this review the Little Giant 5-MSP is assessed as a compact, submersible utility pump aimed at homeowners and light commercial users who need reliable water transfer or recirculation. The biggest reason to consider it is its combination of a durable die-cast aluminum body and a permanently lubricated 1/6 HP motor that delivers up to 1500 GPH, making it a practical choice for tasks like flood cleanup, pool cover recycling and hydroponic circulation. The review looks at build, performance, and real owner feedback to weigh everyday value versus longevity.

Key Features

• Submersible design: Built for underwater use, the pump is designed to move water reliably when fully submerged, which simplifies setup and operation.
• Durable housing: Epoxy coated die-cast aluminum construction provides corrosion resistance and a solid feel for frequent or demanding jobs.
• Motor protection: The permanently lubricated 1/6 HP shaded pole motor includes thermal overload protection to reduce risk of motor damage under load.
• Versatile discharge: Comes with a 1-inch FNPT discharge and a 3/4-inch garden hose adapter for flexible hookup to common hoses and fittings.
• Removable screen: The intake screen protects the impeller and allows the pump to remove water down to about 1/8 in with the screen in place for cleaner operation.
• Portable power: Weighing about 7 lbs and fitted with a built-in carry handle plus a 10 ft cord, the pump is easy to move between jobs.

Who It's For

The Little Giant 5-MSP is best suited to homeowners, hobby growers and small contractors who need a compact, entry-level submersible pump for moving several hundred to a few thousand gallons per hour. It performs well for clearing flood water from basements, draining pools or hot tubs, circulating water in hydroponic setups, and short-run transfer tasks around a property.

Users who require continuous heavy-duty industrial pumping, long-distance high-head pumping, or precise dry-run protection should look elsewhere; this model is a manual, submersible utility pump with modest head and flow specifications and is not intended as an industrial workhorse.

Pros & Cons

Pros

• Compact and lightweight, making it easy to move and store between jobs.
• Constructed of epoxy coated die-cast aluminum for improved durability in wet conditions.
• Good water pumping efficiency at up to 1500 GPH for the size and motor rating.
• Includes useful fittings and a removable screen for flexible hookup and maintenance.

Cons

• Reported lifespan varies by user, with some owners experiencing early failure while others report decades of service, indicating variable long-term reliability.
• Manual operation and modest motor size mean it is not suitable for very high-head or continuous industrial pumping.

Specifications

Motor	1/6 HP permanently lubricated shaded pole
Flow Rate	1500 GPH
Voltage	115-Volt
Cord Length	10 ft
Discharge Connections	1 in FNPT and 3/4 in garden hose adapter
Running Amps / Watts	2.0 Amps / 220 Watts
Shut-off / Pressure	26 ft shut-off, 11.43 PSI

Our Verdict

The Little Giant 5-MSP is a sensible, value-oriented submersible utility pump for homeowners and light commercial users who need a portable, corrosion-resistant unit capable of moving up to 1500 GPH. It offers useful features like a removable screen, multiple discharge options and thermal overload protection, making it a practical buy for flood cleanup, pool and hydroponic tasks, though buyers seeking industrial durability or high-head performance should consider higher-capacity models.

Frequently Asked Questions

Can this pump run continuously?
The pump is rated for continuous duty with a permanently lubricated motor, but users should monitor operating conditions and allow cooling breaks if running for extended periods.

How low will it pump water?
With the intake screen installed it removes water down to about 1/8 in; removing the screen allows pumping down to roughly 1/16 in.

What fittings are included?
It includes a 1 in FNPT discharge and a 3/4 in garden hose adapter for common hose and pipe connections.