Best RV Macerator Pump for 12V or Cordless Use

#1 · Best Overall

1. LATCH.IT V2.0 Pump

• Dimensions: 11"L x 4"W x 5"H
• Weight: 4 lb
• Material: Metal, Stainless Steel
• Voltage: 12 V DC

Best for: Quick-attach tank cleaning.

Why it ranks #1: Its 12–15 GPM rating and 10-foot lift suit common RV dumping needs, while the kit includes hose, fittings, clamps, power cables, and a bag.

The quick-release function makes the LATCH.IT V2.0 easy to attach and detach, while its fresh-water inlet fitting supports rinsing the blackwater tank during the dumping process. This 12V pump is rated for 12–15 GPM and states that it can dump up to 15 gallons in one minute.

The kit includes a 1-inch, 10-inch hose, adjustable metal clamps, a 1-inch barb with 3/4- and 1-inch NPT fittings, and a quick-disconnect fitting with an on/off valve. Those fittings support a more complete installation workflow, while the included power cables and extension address its 12V DC connection. The pump is specified for 3-inch RV waste outlets only, so outlet diameter determines compatibility before using its quick-release setup.

Skip it if you need a cordless pump or have a waste outlet other than 3 inches; Camco Rhino 18V is cordless, but check outlet compatibility separately.

This LATCH.IT suits RV owners with a 3-inch outlet who want quick attachment, rinse capability, and a kit containing connection parts. Confirm the outlet size and plan for its 12V DC power connection.

Listed on Amazon as: LATCH.IT V2.0 RV Macerator Pump 12VDC | 12-15GPM Macerator Pump for RV | 10-Feet Lift RV Waste Pump Macerator | Self-Priming & Portable | Portable RV Waste Pump w/Fittings, Hoses & Clamps!

#2 · Highest Flow

2. ALDERVIC 15 GPM Pump

• Dimensions: 11.6"L x 4.72"W x 4"H
• Weight: 5.3 lb
• Material: Nylon, Stainless Steel
• Voltage: 12 V DC

Best for: Higher-flow 12V tank dumping.

Why it ranks #2: The listed 15 GPM maximum leads this group, with 9.8 feet of head and included power cables, valve, fittings, and spare fuses.

A 15 GPM maximum flow rate is the ALDERVIC pump’s clearest differentiator, offering RV and boat owners a higher listed flow than many 12V waste pumps. Its quick-release feature and garden-hose discharge port also support a removable setup with a familiar hose connection.

The 3.2-foot suction lift and 9.8-foot maximum head help buyers plan where the pump sits relative to the tank and disposal point. A built-in macerator blade breaks waste into smaller particles for pumping through discharge hoses. Included cigarette-lighter and alligator-clip adapter cables provide two listed 12V connection choices, while the brass fitting, transparent hose, flow-control valve, spare fuses, and clamps support setup and operation.

Skip it if you want battery-powered operation without a 12V connection; Camco Rhino 18V includes a lithium battery for cordless dumping.

The ALDERVIC suits RV, travel-trailer, or boat owners prioritizing a 15 GPM rating, quick release, and included 12V cable options. Its 9.8-foot maximum head and 3.2-foot suction lift define routing limits.

Listed on Amazon as: 12V RV Macerator Pump, 15 GPM RV Waste Water Sewer Pump with Quick Release & Garden Hose Discharge Port, 9.8 ft Max Head Self Priming Macerator Waste Pump for RV Camper Travel Trailer Boat

#3 · Cordless Option

3. Camco Rhino 18V Pump

• Dimensions: 17.63"L x 16.75"W x 5.25"H
• Weight: 10.1 lb

Best for: Cordless dumping away from hookups.

Why it ranks #3: Its 18V battery-powered design avoids RV-battery wiring, and the package includes a battery, charger, 15-foot water hose, adapter, and carry bag.

An included 18V lithium battery lets the Camco Rhino pump operate without wiring to the RV battery, enabling waste disposal away from a vehicle hookup. Its Vortexcore technology grinds waste into fine particles and pumps through a standard 3/4-inch garden hose, supporting a portable, long-distance dumping workflow.

The included 15-foot water hose, 4-in-1 adapter with rinse cap and hose connector, and backflow preventer support setup and rinsing as part of the kit. Storage caps and a vented carry bag help contain and transport the components between uses. The 18V battery and charger avoid an RV-battery wiring step, while the standard 3/4-inch garden-hose outlet defines the discharge connection. Its 10.1-pound weight is worth considering for carrying and storage.

Skip it if you want a 12V pump powered directly from an RV supply; Kitvance lists a 12V DC macerator with 12 GPM flow.

Choose the Camco Rhino for RV owners needing cordless dumping at home, into a portable tank, or away from hookups. Its included battery adds portability, while the 3/4-inch garden-hose outlet remains a connection consideration.

Listed on Amazon as: Camco Rhino 18V Cordless RV Macerator Pump

#4 · Flexible Power

4. Gidrox 12V Pump

• Dimensions: 11.6"L x 5.2"W x 5.79"H
• Material: Plastic
• Voltage: 12 V DC

Best for: Multiple 12V power-source options.

Why it ranks #4: The 12 GPM pump includes both alligator-clip and seven-foot cigarette-lighter cables, plus a garden-hose adapter for flexible power and hose connections.

Two included power cables give the Gidrox pump a choice of connection: alligator clips or a seven-foot cigarette-lighter plug. That flexibility supports use with listed RV, car, camper, boat, and portable power-station setups, while its 150W copper motor is rated for 12 GPM flow.

The 3.5-foot suction and 10-foot lift figures help determine whether the pump can draw from and discharge to the planned locations. Gidrox states a 40-gallon tank can be emptied in four minutes, and the reinforced grinding impeller supports its waste-pumping role. Included clear tubing, a 3/4-inch NPT fitting, and a garden-hose adapter provide connection options; the dual cables let the buyer choose a listed 12V power method for the vehicle or compatible power source.

Skip it if you need a pump that operates from an included battery away from 12V sources; Camco Rhino 18V includes an 18V battery.

The Gidrox suits RV, camper, boat, or car owners who want two 12V connection methods and included hose adapters. Choose it when those listed power options match your setup; it does not list a battery-powered mode.

Listed on Amazon as: 12V RV Portable Macerator Pump, 12GPM Self-Priming Sewage Quick Grinder Pump, Suction 3.5 Feet Lift 10 Feet Waste Pumps for RV Camper Boat Kitchen

#5

5. Flojet 18555-000A Pump

• Dimensions: 13"L x 12"W x 6"H
• Weight: 8.4 lb
• Material: Plastic
• Voltage: 12 V DC

Best for: Garden-hose discharge users.

Why it ranks #5: Its stainless steel grinder reduces waste to stated 1/8-inch particles, and its 3/4-inch garden-hose connection offers a compact discharge option.

A 3/4-inch garden-hose connection is the Flojet 18555-000A’s defining convenience, allowing RV waste disposal through a smaller hose than a bulky 3-inch sewer hose. Its 12V DC pump uses a stainless steel grinder to break waste into 1/8-inch particles, supporting flow through that discharge connection.

Flojet states the pump can empty a 30-gallon tank in under three minutes, making it a fit for buyers prioritizing a quick dumping cycle. The self-priming design supports setup at the waste outlet, while the remote switch lets the operator control the pump without relying on a switch at the pump body. Its 3/4-inch garden-hose connection is central to the compact-hose workflow; the listed pump is 13 by 12 by 6 inches and weighs 8.4 pounds.

Skip it if you want cordless operation; Camco Rhino 18V runs from a supplied 18V battery instead of a 12V DC connection.

The Flojet suits RV and camper owners who value a 3/4-inch hose connection, a remote switch, and a stated sub-three-minute cycle for 30 gallons. Check that its 12V supply and hose workflow suit your setup.

Listed on Amazon as: Flojet Macerator Pump 18555-000A – 12V DC Waste Pump for Camper/RV – Empties 40-Gal Tank in 5 Mins – 9 GPM Output – 3/4" Garden Hose Connection – Stainless Steel Grinder, Self-Priming, Remote Switch

#6

6. Kitvance 12V Pump

• Dimensions: 11.4"L x 3"W x 4"H
• Weight: 6.9 lb
• Material: Copper
• Voltage: 12 V

Best for: Complete-kit 12V RV dumping.

Why it ranks #6: This complete 12V kit lists 12 GPM, 3.2-foot suction, and 10-foot lift, with a standard 3-inch inlet and 1-inch outlet.

The double four-spiral blades reduce waste to particles up to 1/16 inch, supporting a 12 GPM pump’s clog-reduction goal during RV tank emptying. Kitvance includes a complete kit and connects to a standard 3-inch RV waste outlet, so buyers can plan a 1-inch discharge setup without sourcing listed accessories separately.

A 3.2-foot self-priming suction and 10-foot lift help route waste where the disposal point is not directly below the outlet. The 12 GPM flow capacity supports a brisk dumping workflow, while the 12V DC, 12A specification identifies the required electrical supply. Its 1-inch outlet and 3-inch inlet define the hose and RV connection points, and the stated complete kit is intended to arrive with the accessories needed for setup.

Skip it if you need a cordless pump or a 3/4-inch garden-hose discharge; Camco Rhino 18V offers cordless operation and a garden-hose outlet.

Choose the Kitvance for RV owners who want a complete 12V kit, 12 GPM flow, and fine maceration for routine tank dumping. Its 3-inch inlet, 1-inch outlet, and 12A draw are key setup considerations.

Listed on Amazon as: 12V RV Portable Macerator Waste Pump for Sewage, 12GPM Suction 3.2 feet Lift 10 feet, Complete RV Macerator Pump Kit for Right Out of Box

#7

7. FCNP 12V Pump

• Voltage: 12 V

Best for: Threaded-connection RV installations.

Why it ranks #7: Its stated 12 GPM flow, 10-foot head, and threaded connection method may suit buyers seeking a supplied kit without a garden-hose connection.

The upgraded threaded connection is the FCNP pump’s defining installation feature: its title says no garden hose is required for direct connection. The 12V unit is rated at 12 GPM and connects to a standard 3-inch RV wastewater outlet, offering a specified alternative to a garden-hose-based setup.

A 1-inch outlet, 3.2-foot self-priming height, and 10-foot head describe the pump’s connection and routing limits, helping buyers plan the discharge path. The stated 15 PSI pressure and 12A current clarify operating requirements, while the 144W rating identifies its power draw. FCNP describes the kit as complete and lists a portable plastic case, pump, and three connecting cables, supporting organized storage and a direct-connection installation workflow.

Skip it if you want cordless dumping without connecting a 12V supply; Camco Rhino 18V includes a battery for operation away from RV wiring.

The FCNP fits RV owners who prefer its threaded direct-connection approach, a 12 GPM rating, and a storage case. Plan around the stated 3-inch inlet, 1-inch outlet, and 12V, 12A electrical requirements.

Listed on Amazon as: [Upgraded Version] 12V RV Macerator Waste Pump,12GPM,Suction 3.2ft,Lift 10ft,New Threaded Connection Method (No Garden Hose Required; Direct Connection for Easier Installation) for RV Campe

#8

8. Ristow 12V Pump

• Dimensions: 12.4"L x 6.1"W x 4.5"H
• Weight: 3.25 kg
• Material: Stainless Steel
• Voltage: 12 V

Best for: 12V pump with dual cable options.

Why it ranks #8: This 12 GPM model lists 10-foot lift and includes a cigarette-lighter cable, alligator-clip wires, transparent hose, clamps, and fresh-water valve connector.

A 7.6-foot cigarette-lighter cable and short alligator-clip wires give the Ristow pump two listed ways to connect to 12V power. With 12 GPM flow, self-priming operation, and a stated 10-foot lift, it targets RV owners routing tank waste beyond a nearby drain point.

Ristow states that the pump can empty a 150-liter tank in five minutes, while its 10-foot lift figure helps buyers plan the discharge route. The pure copper motor is described as low-noise and stable in operation. Included transparent hose, clamps, a 3/4-inch GHT hose connector, and an on/off valve connector for the fresh-water port support connection and rinse-related setup. The dual cables provide a choice between a cigarette-lighter connection and alligator clips.

Skip it if you need a longer alligator-clip lead; Gidrox includes an 11.4-inch alligator-clip cable, which is shorter still, so use the Ristow cigarette-lighter lead instead.

The Ristow suits RV owners who want 12 GPM flow, a stated 10-foot lift, and a choice of 12V cable connections. Its 1.3-foot alligator wires limit reach, so consider outlet placement before setup.

Listed on Amazon as: RV Macerator Pump, 12V 12GPM Self-Priming Waste Water Sewer Pump

#9

9. hzhdven 12V Pump

• Material: RV Macerator Pump 12V 12GMP
• Voltage: 12 V DC

Best for: Quick-release 12V pump setups.

Why it ranks #9: The listing gives 12 GPM flow and 3.2-foot suction, but its lift figures conflict between the title and feature text, making verification important.

A quick-release connection pairs with this 12V macerator’s 12 GPM flow, giving RV, camper, or boat owners a setup that can attach and detach for waste disposal. The supplied listing also identifies a fresh-water rinse and automatic crushing function, useful details for buyers planning both pumping and cleanup.

The pump is specified for 3-inch-diameter waste outlets, so outlet size is a decisive compatibility check before installation. Its 3.2-foot suction and stated lift figures support routing waste away from the outlet, while the 12 GPM flow is listed alongside a claim of emptying a 150-liter tank in five minutes. The garden-hose discharge port shapes hose choice, and the fresh-water rinse function adds a cleanup step to the pumping workflow.

Skip it if you have an RV outlet other than 3 inches; check compatibility before choosing this pump.

Consider this hzhdven pump for 12V RV, camper, or boat setups needing quick release, garden-hose discharge, and a rinse function. Its stated 3-inch outlet requirement is the key fit boundary.

Listed on Amazon as: RV Macerator Pump 12V,Portable Waste Pump,12GPM Suction 3.2 feet Lift 14 feet with Garden Hose Discharge Port,Quick Release Self-PrimingSewage Pump for RV Camper Boat Kitchen

#10

10. CrestWave RV Pump

• Dimensions: 11.6"L x 4"W x 4"H
• Weight: 4.92 kg
• Material: Metal
• Voltage: 12 V

Best for: Hose-included RV and boat owners.

Why it ranks #10: The title lists 12 GPM and 10-foot lift, but the supplied specifications provide fewer connection and power details than most alternatives.

A hose is included with the CrestWave pump, pairing with its 12 GPM rating to support a ready-to-connect RV or boat tank-dumping setup. The listing also identifies a 12V, 144W copper motor and SK5 blades, giving buyers concrete motor and cutting-system details to weigh for routine waste transfer.

The stated 10-foot lift helps buyers assess whether the pump can route waste toward an elevated discharge point, while the 12 GPM rating frames its intended flow pace. A 12V, 144W copper motor specifies the electrical and motor setup, and SK5 blades identify the cutting component. The supplied hose reduces the need to source that listed connection separately; the title’s four-minute emptying claim is a stated product figure, not a guarantee for every tank or installation.

Skip it if you need a stated garden-hose fitting size before choosing; the supplied CrestWave details do not identify the included hose diameter.

The CrestWave may suit RV and boat owners seeking a hose-included 12V pump with 12 GPM flow and a 10-foot lift. Its listing leaves hose connection diameter unspecified, so that detail matters for installation planning.

Listed on Amazon as: CrestWave RV Macerator Pump – Fast 4-Minute Emptying for RV & Boat Tanks | 12GPM, 10FT Lift | 12V 144W Copper Motor, SK5 Blades, Full Protection Kit | Hose Included