10 Best Boat Macerator Pumps 2026 in the United States

The Jabsco 18690-0000 Marine Run Dry Heavy Duty Macerator Waste Pump is designed specifically for marine use, operating on a 115-volt power source. One of its key strengths is the ability to run dry without damage, ensuring durability and reliability for boat owners. With a maximum flow rate of 10 gallons per minute, it offers a decent performance suitable for various waste management needs on a boat. The pump is corded electric, which means you don’t have to worry about changing or recharging batteries. However, this also means it requires access to an electrical outlet on board.

Users will appreciate its solid construction and the use of durable plastic materials, which contribute to its long lifespan. Maintenance is relatively straightforward, and it’s essential to consult the manual for specific details on maintaining and cleaning the pump. The noise level is not specified, which may be a consideration for those sensitive to sound while on the boat.

In terms of size and weight, the pump is moderately bulky with package dimensions of 24.82 x 19.38 x 12.25 inches and a weight of 8.57 kilograms. This makes it somewhat cumbersome to install and handle, but manageable for most boat owners. It has a positive customer rating of 4.5 out of 5 stars, indicating general satisfaction with its performance and reliability.

The Flojet Macerator Pump 18555-000A is a solid choice for RV or camper owners who want a dependable way to handle waste disposal. It runs on 12V DC power, which is standard for campers, making it easy to integrate with existing electrical systems. With a flow rate of 9 gallons per minute, it can empty a typical 30-40 gallon waste tank in about 3 to 5 minutes, which helps reduce wait times during trips.

The stainless steel grinder efficiently breaks down waste into small particles, minimizing clog risks and ensuring smoother operation. Weighing 8.4 pounds and sized to be portable, it comes with a carry case, making it convenient to transport and store. The built-in remote switch adds user-friendly control, while the self-priming feature simplifies startup without complicated setup.

The pump's plastic housing may require careful maintenance to preserve long-term durability in harsh marine environments. Maintenance involves occasional cleaning of the grinder and hose connections to avoid buildup. This pump is well-suited for RV travelers looking for a portable, efficient, and easy-to-use waste disposal solution, though those seeking ultra-quiet or heavy-duty marine use might want to explore other options.

The Jabsco 18590-2092 Macerator Pump is a solid choice for those needing to empty marine holding tanks. It offers a robust flow rate of 12 gallons per minute, which is quite efficient, allowing it to empty a 30-gallon tank in under 3 minutes. This makes it suitable for both small and large scale waste evacuation tasks on boats. The 12-volt DC power source is standard for marine equipment, making it compatible with most boat electrical systems. The self-priming feature up to 5 feet adds to its ease of use, reducing the need for manual intervention during operation.

Additionally, the pump includes a Run-Dry Protection Device, which helps prevent damage if the pump runs without water, enhancing its durability. Constructed with stainless steel and other durable materials, this pump is built to withstand harsh marine environments. At 5 pounds, it is relatively lightweight and compact (4.72 inches wide and 3.74 inches high), making installation and handling easier.

Maintenance should be straightforward due to its fixed style and quality construction materials. This pump is efficient, durable, and easy to install, making it a good fit for boat owners looking for reliable waste evacuation solutions.