Protect your basement, crawlspace, or utility area from sudden flooding with the Little Giant 1/3 HP Cast Iron Diaphragm Switch AC Submersible Sump Pump. Built to endure wet environments, this pump combines rugged durability with dependable performance so you can worry less about water and more about daily tasks.
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Powerful yet compact: 1/3 HP motor delivers steady pumping capability for typical residential sump needs without overwhelming your space.
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Cast iron housing: A robust, corrosion-resistant shell that withstands frequent submersion and damp conditions for long-lasting reliability.
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High-flow design: Rated up to 2,760 gallons per hour, delivering rapid water removal to help prevent basement flooding during heavy rain or rapid groundwater rise.
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1-1/2" discharge: Standard piping compatibility makes it easier to connect to existing drainage setups.
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Bottom suction intake: Optimized to pull water from the bottom of the sump pit, improving efficiency and reducing air pockets.
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Diaphragm switch: Provides smooth, reliable on/off cycling for consistent operation in damp environments.
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AC powered, 115V: Direct connection to standard electrical outlets with a 9-amp draw for solid performance.
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Cord length: 10 ft cord gives flexible placement options within your sump pit or nearby outlet.
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Operating range: Designed for water temperatures from 50°F to 130°F, making it suitable for a variety of residential conditions.
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Safety and compliance: CSA compliant for added peace of mind in households and workspaces.
Why this sump pump stands out
Unlike plastic-bodied alternatives, the cast iron construction endows this Little Giant pump with enhanced durability and longevity in harsh, moisture-rich environments. The diaphragm switch design minimizes wear and provides reliable cycling, so the pump activates quickly when water accumulates and turns off when the pit is clear. With a 1-1/2" discharge and standard 115V power, installation integrates smoothly with typical home drainage and electrical setups.
Ideal use cases
Perfect for:
- Basement flood prevention during heavy rainfall or rapid groundwater changes
- Crawlspace moisture management and water removal
- Utility rooms or laundry areas prone to damp floors
Practical tips for best results
- Keep the sump pit clean and free of debris to maintain optimal intake and reduce clogging.
- Ensure the discharge line is unobstructed and properly pitched away from the foundation to prevent re-entry of water.
- Regularly inspect the cord and plug area for wear; replace promptly if you notice any damage.
- Use with an appropriate check valve to prevent backflow and improve overall sump performance.
With its rugged cast iron body, reliable diaphragm switch, and solid 2,760 GPH capacity, this Little Giant sump pump is a practical, long-term solution for homeowners who want predictable, quiet operation and real protection against basement water invaders.
