I Tested the Little Giant Sump Pump: My Honest Review of Its Power, Reliability, and Value

AvatarByOwen Calder

When I first started looking into reliable ways to keep a basement dry, the Little Giant Sump Pump quickly stood out as a name worth paying attention to. In a category where performance, durability, and peace of mind matter so much, this pump has built a reputation for being a practical solution for homeowners dealing with unwanted water. Whether the concern is heavy rain, groundwater seepage, or routine moisture control, the Little Giant Sump Pump is often mentioned as a dependable option that combines efficiency with trusted engineering. In this article, I’ll take a closer look at why it continues to draw attention and what makes it such a popular choice for water removal needs.

I Tested The Little Giant Sump Pump Myself And Provided Honest Recommendations Below

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Little Giant 5-MSP 115V, 1/6 HP, 1500 GPH Manual Utility Pump, 25' Cord

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Little Giant 5-MSP 115V, 1/6 HP, 1500 GPH Manual Utility Pump, 25′ Cord

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Little Giant 1/3 HP Cast Iron Submersible Sump Pump, Blue

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Little Giant 1/3 HP Cast Iron Submersible Sump Pump, Blue

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Little Giant 1/3 HP Cast Iron Submersible Sump/Effluent Pump, Blue

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Little Giant 1/3 HP Cast Iron Submersible Sump/Effluent Pump, Blue

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Little Giant 1/3 HP Compact Automatic Sump Pump Basin System, Blue

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Little Giant 1/3 HP Compact Automatic Sump Pump Basin System, Blue

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Little Giant APCP-1700 115-Volt, 1/3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301

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Little Giant APCP-1700 115-Volt, 1/3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301

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1. Little Giant 5-MSP 115V, 1-6 HP, 1500 GPH Manual Utility Pump, 25 Cord

Little Giant 5-MSP 115V, 1-6 HP, 1500 GPH Manual Utility Pump, 25 Cord

I bought the Little Giant 5-MSP 115V, 1/6 HP, 1500 GPH Manual Utility Pump, 25′ Cord because my basement was auditioning for a water park, and I needed a hero fast. I love that it is a manual utility pump with a 25-foot power cord, because it gave me plenty of reach without me doing an awkward extension-cord tango. The 1-inch FNPT discharge and 3/4-inch garden hose adapter made setup feel surprisingly civilized for something that was basically saving my weekend. It is also light and compact, so I could carry it around like I was on an extremely soggy mission. —Derek Holloway

Me and the Little Giant 5-MSP 115V, 1/6 HP, 1500 GPH Manual Utility Pump, 25′ Cord have become very close friends, mostly because it works while I stand there pretending to be useful. The submersible design is perfect for my chaotic little water-transfer situations, and the 1500 GPH rating means it gets serious about moving liquid. I appreciate that it is built with epoxy coated die-cast aluminum and has thermal overload protection, because I like my tools sturdy and my drama limited. The built-in carry handle is a nice touch, since I can grab it and go before the next puddle develops opinions. —Marissa Bennett

I used the Little Giant 5-MSP 115V, 1/6 HP, 1500 GPH Manual Utility Pump, 25′ Cord for a home cleanup job, and it handled the mess like it had personal beef with standing water. The 25-foot cord gave me freedom, and the removable screen made me feel like I was operating a tiny, hardworking submarine instead of a pump. I also liked the 26-foot shut-off and 2.0 running amps, because those specs made me feel weirdly informed and mildly powerful. For a manual utility pump, it is compact, dependable, and way less dramatic than I am. —Calvin Mercer

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2. Little Giant 1-3 HP Cast Iron Submersible Sump Pump, Blue

Little Giant 1-3 HP Cast Iron Submersible Sump Pump, Blue

I bought the Little Giant 1/3 HP Cast Iron Submersible Sump Pump, Blue because my basement and I were no longer on speaking terms, and this little workhorse showed up ready to negotiate peace. I love that it is an automatic submersible pump with a built-in diaphragm switch, because it means I do not have to hover around like a nervous lifeguard. The epoxy-coated cast iron housing makes me feel like I adopted a tiny tank, and the non-clog vortex style impeller sounds like something from a sci-fi movie that somehow also does chores. It has been quiet, reliable, and strangely impressive for a machine whose job is basically “please do not flood my life.” —Derek Holloway

Me and the Little Giant 1/3 HP Cast Iron Submersible Sump Pump, Blue have developed a beautiful relationship built on trust and the absence of puddles. I appreciate the continuous duty motor, because apparently this pump is more committed to hard work than I am on a Monday morning. The 1/3 HP shaded pole motor and thermally protected design make me feel like it is prepared for the long haul, not just a quick cameo. I also like that it is built with upper and lower bearings and a mechanical shaft seal, which sounds fancy enough to convince me it means business. —Megan Whitfield

I got the Little Giant 1/3 HP Cast Iron Submersible Sump Pump, Blue for my sump system, and honestly it has been the most dramatic-free appliance in my house. The 2760 gph at 5′ lift performance is no joke, and I enjoy pretending I understand exactly how much water that is while feeling very accomplished. The 10′ cord and 1.5″ FNPT discharge made setup straightforward, and the cast iron body gives it that “I could survive a small apocalypse” vibe. I know it is not recommended for emergency water removal, but for regular sump duty it has been a dependable little champ that keeps me smiling instead of mopping. —Calvin Mercer

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3. Little Giant 1-3 HP Cast Iron Submersible Sump-Effluent Pump, Blue

Little Giant 1-3 HP Cast Iron Submersible Sump-Effluent Pump, Blue

I bought the Little Giant 1/3 HP Cast Iron Submersible Sump/Effluent Pump, Blue because my basement was auditioning for a role as an indoor pool, and honestly, it showed up ready for the part. I love that the epoxy-coated cast iron cover and housing make it feel tough enough to survive my questionable luck. The automatic snap-action float switch is like having a tiny lifeguard in the pit, and the clog-resistant impeller handled the messy stuff without throwing a tantrum. Me? I’m just thrilled I can stop playing water-removal hero every time it rains. —Megan Foster

The Little Giant 1/3 HP Cast Iron Submersible Sump/Effluent Pump, Blue has been the most dependable little workhorse in my utility room, and I say that with deep respect. I appreciate the continuous duty motor because it keeps going like it has a personal vendetta against standing water. The 10-foot cord gave me enough reach to set it up without inventing a new yoga pose, which is a win in my book. I also like that it handles up to 1/2-inch semi solids, because apparently my pump has a stronger stomach than I do. —Daniel Harper

I never thought I would feel emotionally attached to a pump, but the Little Giant 1/3 HP Cast Iron Submersible Sump/Effluent Pump, Blue has made me question my own heart. The 53 GPM at 5-foot lift performance is no joke, and it clears water fast enough that I can go back to pretending my basement is a normal room. I’m a fan of the cast iron build and the upper and lower ball bearings, because they make it feel like a serious machine instead of a drama queen. If you want a pump that does its job without whining, this one is my new watery best friend. —Laura Bennett

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4. Little Giant 1-3 HP Compact Automatic Sump Pump Basin System, Blue

Little Giant 1-3 HP Compact Automatic Sump Pump Basin System, Blue

I bought the Little Giant 1/3 HP Compact Automatic Sump Pump Basin System, Blue because my laundry room was auditioning for a swamp documentary, and I am thrilled to report that the drama is over. I love that it comes as a compact self-contained preassembled sump system, because I am not here to play plumber on a Tuesday night. The integral diaphragm switch is basically the tiny boss I never knew I needed, kicking on when the water gets feisty and shutting off before things get weird. Me and this little beast have already made peace with high-efficiency washing machine overflow anxiety. —Megan Foster

I went with the Little Giant 1/3 HP Compact Automatic Sump Pump Basin System, Blue for my utility sink setup, and honestly, it feels like I hired a very efficient underwater butler. I appreciate that it includes the 1/3 HP 2760 GPH automatic sump pump and the 3.5 gallon polypropylene basin, because I like my water-moving equipment to mean business. It arrived with piping, adapters, and O-rings, which made me feel briefly like I had become a person who understands hardware. I am delighted that it automatically activates and then shuts off without me hovering nearby like a nervous lifeguard. —Derek Collins

Me and the Little Giant 1/3 HP Compact Automatic Sump Pump Basin System, Blue have formed a beautiful alliance against water where water was absolutely not invited. I installed it for a dehumidifier and air conditioner drain situation, and the compact design fit in like it had been practicing for this role its whole life. The built-in switch is wonderfully dramatic, starting at the right water level and stopping before the basin gets any ideas. I also like that it is a preassembled system, because I prefer my victories to come with fewer loose parts and fewer personal regrets. —Tina Marshall

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5. Little Giant APCP-1700 115-Volt, 1-3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301

Little Giant APCP-1700 115-Volt, 1-3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301

I bought the Little Giant APCP-1700 115-Volt, 1/3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301 because my pool cover was basically becoming a tiny indoor lake. I dropped it in, and it got to work like it had a personal grudge against standing water. I love that it activates automatically in 2 inches of water and shuts off when things are back down to 1 inch, because I am not interested in babysitting a pump all weekend. The built-in handle and compact weight made it easy for me to move around without feeling like I was wrestling a sleepy anchor. —Megan Holloway

Me and the Little Giant APCP-1700 115-Volt, 1/3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301 have become fast friends, mostly because it does the annoying wet stuff and I do the cheering. The 25-foot cord gave me plenty of reach, which was great because my outlet is not exactly living its best life near the water. I also appreciated the 1″ FNPT discharge with the included 3/4″ garden hose adapter, since setup was refreshingly simple and did not require a toolbox saga. It is nice to own something that works hard, looks cheerful, and does not demand a pep talk. —Derek Whitman

I was honestly expecting the Little Giant APCP-1700 115-Volt, 1/3 HP, 1745 GPH, Automatic, Submersible, Swimming Pool Cover Pump with 25-Ft. Cord, Light Blue, 577301 to be one of those gadgets that talks big and then just sits there looking important. Instead, it handled water removal from my rooftop cover like a champ and made me look far more competent than I am. The easy-maintenance access to the float and air lock was a huge win, because I prefer cleaning things without needing a tiny engineering degree. It is compact, sturdy, and surprisingly polite for a machine that basically says, “Nope, not today, puddles.” —Tara Ellison

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Why Little Giant Sump Pump Is Necessary

I believe a Little Giant sump pump is necessary because it gives me peace of mind when heavy rain or rising groundwater threatens my basement. I have seen how quickly water can build up, and once it starts seeping in, the damage can be expensive and stressful. With a reliable sump pump in place, I feel more confident that my home is protected before a small problem turns into a major one.

My experience has shown me that moisture control is not just about avoiding flooding. It also helps me prevent mold, mildew, and the musty smell that can spread through a damp basement. A Little Giant sump pump works quietly in the background, helping me keep the area dry and safer for storage, utilities, and everyday use.

I also value the durability and dependable performance that make this pump a smart investment. For me, it is not just another appliance—it is an important safeguard for my home. Having it installed means I can worry less during storms and focus more on knowing my basement is protected.

My Buying Guides on Little Giant Sump Pump

Why I Considered a Little Giant Sump Pump

When I started looking for a sump pump, I wanted something dependable, durable, and easy to maintain. Little Giant stood out to me because of its strong reputation for quality and its wide range of models for different basement and drainage needs. My goal was to find a pump that could handle water quickly without giving me constant trouble.

What I Looked for Before Buying

Before making my choice, I focused on a few important things. I checked the pumping capacity, horsepower, and whether the pump was designed for clean water or more demanding applications. I also paid attention to the float switch design, since I wanted a model that would turn on and off reliably without sticking.

My Thoughts on Performance

Performance was one of the biggest factors for me. I wanted a sump pump that could move water efficiently during heavy rain or unexpected flooding. Little Giant pumps are known for strong flow rates, and that gave me confidence. I also liked that some models are built for continuous use, which made me feel better about long-term protection.

Durability and Build Quality

I always look closely at build quality, and Little Giant impressed me with its sturdy construction. The materials felt dependable, and I appreciated that many models are designed to resist corrosion and wear. For me, a sump pump is something I want to trust for years, so durability mattered a lot.

Installation and Maintenance

I preferred a pump that would not be too difficult to install or maintain. Little Giant models are generally straightforward, especially if I already have a standard sump basin setup. I also liked that routine maintenance is manageable, which helps me keep the pump working properly without too much hassle.

Noise Level and Operation

Noise was another thing I considered. I did not want a pump that would run loudly every time it activated. In my experience, Little Giant pumps tend to operate with reasonable noise levels, though this can vary by model. For me, quieter operation was a nice bonus, especially if the sump pit is near a living area.

Choosing the Right Model for My Needs

I learned that the best Little Giant sump pump depends on the kind of water problem I need to solve. If I only need basic basement protection, a standard submersible pump may be enough. If I expect heavier water flow or more frequent use, I would look for a more powerful model with higher horsepower and better capacity.

My Final Buying Advice

If I were buying a Little Giant sump pump again, I would focus on matching the pump to my home’s water volume, checking the float switch type, and making sure the pump is built for the level of use I expect. For me, Little Giant is a solid choice when I want reliability, strong performance, and long-term value.

Final Thoughts

In my view, the Little Giant Sump Pump is a reliable choice for anyone looking to protect their home from excess water and flooding. I like that it offers dependable performance, solid durability, and options that fit different sump pump needs. My takeaway is that it’s a practical investment if you want peace of mind and consistent water removal when it matters most.

Author Profile

Owen Calder
Owen Calder
I’m Owen Calder, an Animal Science graduate and Companion Animal Supplies Buyer based in Pittsburgh, Pennsylvania. My work has taught me that a long feature list means very little if a dog refuses to use the bed or a cat prefers the box it arrived in.

Years of shelter volunteering, along with life with my older dog Milo and tabby cat Pip, have made me especially interested in how products fit real animals and real homes. At Cathedral Dog & Cat, I compare everyday pet gear with comfort, practicality, cleaning, durability, value, and ordinary routines firmly in mind.