Best Cast Iron Submersible Pumps of 2025

The Superior Pump 92341 is a powerful 1/3 HP submersible sump pump that efficiently moves up to 2,760 gallons of water per hour. It can lift water up to 25 feet, making it ideal for tackling flooding or draining tasks in your basement or yard. Made from rugged cast iron, this pump is built to withstand tough conditions, ensuring long-lasting performance. The 10-foot cord provides flexibility in placement, while the vertical float switch allows for automatic operation, turning the pump on and off at preset levels for ease of use.

The Superior Pump 92511 is a powerful submersible sump pump that can move up to 4,200 gallons of water per hour, making it ideal for quickly removing water from basements or flooded areas. With the ability to lift water to a height of 25 feet, it ensures effective drainage. Its rugged cast iron construction adds durability, providing peace of mind for long-term use. The included vertical float switch allows the pump to operate automatically, turning on and off as needed, which conveniently saves you time and effort.

The Submersible Sewage Pump is designed for effective drainage of dirty water, making it ideal for managing sewage and waste in various environments. With its powerful cast iron motor and grinder, it can handle tough materials, ensuring efficient operation. The float switch provides automatic operation, allowing you to focus on other tasks without worrying about pump management. Additionally, the pump's thermal protection feature prevents overheating, ensuring safe use when properly submerged, thus prolonging its lifespan and reliability.

The Wayne CDU800 Sump Pump is designed for efficient operation in sump pits that are at least 11 inches deep. With a robust 1/2 hp motor, it delivers maximum flow through its 1-1/2-inch discharge feature, ensuring quick water removal when needed. Its ceramic mechanical seal enhances durability, making it suitable for demanding environments. The pump has been rigorously tested to withstand up to 1 million cycles, giving you peace of mind about its reliability and longevity in your home.

The WAYNE Submersible Sump Pump is an ideal solution for keeping your basement dry during heavy rainfall or snowmelt. With a powerful 1 HP motor, it can pump up to 6,100 gallons per hour, ensuring your space remains free from water. Its tough and durable construction features a corrosion-resistant stainless steel motor housing and cast-iron volute, promising longevity even in challenging conditions. The efficient top suction design reduces the risk of clogging, making installation quick and hassle-free, typically taking just 15 minutes.

The Generic Submersible Pump is designed for heavy-duty tasks, featuring a robust cast iron motor body and impeller that effectively grind and break down waste. With a maximum flow rate of 18,000 litres per hour, it enables you to quickly and efficiently tackle large volumes of dirty water. The pump also boasts a 10-metre power cord, providing flexibility in various settings. Additionally, its automatic thermal protection ensures the motor remains safe from overheating, allowing you to operate it with peace of mind.

The Acquaer Sewage Pump is a powerful 1/2 HP submersible unit designed for efficient water movement. It can handle up to 6000 GPH and lift water up to 27ft, making it ideal for residential sewage systems. The automatic float switch allows for convenient operation, turning the pump on and off based on water levels. Its durable cast iron construction ensures longevity, while the clog-resistant design prevents blockages from solids up to 2 inches in diameter. This pump is perfect for basements and harsh environments.

The Submersible Sewage Pump is designed to efficiently handle dirty water, making it ideal for emptying cesspits, septic tanks, and flooded areas. Its iron impeller effectively breaks up and pumps out dirt, preventing clogs and ensuring smooth operation. With automatic thermal protection, you can use this pump with peace of mind, as it will shut off if the motor overheats and restart once cooled. The cast iron casing ensures durability, allowing you to rely on this robust unit during challenging tasks.

The Basement Watchdog Sump Pump is a powerful solution for managing excess water. With a capacity to pump 5,300 gallons per hour at zero feet, and 3,630 gallons at a 10-foot lift, it ensures effective drainage in your basement. Its heavy-duty cast iron and cast aluminium construction promises durability, giving you peace of mind for years to come. Additionally, the dual carbon ceramic and Buna-N shaft seals keep the motor dry, significantly extending its lifespan. This pump is designed for reliability and efficiency, making it a valuable investment for your home.

The Submersible Sewage Pump offers powerful performance with its iron impeller, designed to effectively break up and remove dirt from liquids. This feature ensures that the pump remains unclogged, allowing you to efficiently empty cesspits, septic tanks, or flooded areas. With automatic thermal protection, the pump safeguards against overheating, providing you peace of mind during operation. Additionally, its robust cast iron casing ensures durability and full submersibility, making it a reliable choice for various water removal tasks.