Best RV Macerator Pump for Different RV Waste Setups

#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-release RV tank setup.

Why it ranks #1: Its 12–15 GPM stated flow and 10-foot lift are paired with fittings, clamps, power cables, an extension, and a storage bag.

A quick-release attachment makes the LATCH.IT V2.0 easier to attach and detach during dumping, while its fresh-water inlet fitting supports rinsing a blackwater tank. The 12-volt pump is specified for 3-inch RV waste outlets only, making outlet size the key fit check.

LATCH.IT lists 12–15 GPM flow and a 10-foot lift, with a 12V DC motor for powered waste transfer. Its kit includes a 10-inch, 1-inch-diameter hose, adjustable metal clamps, power cables with extension, and a carry-and-storage bag, so the listed accessories address connection and stowage tasks. A quick-disconnect fitting with an on/off valve supports easier attachment and removal. The stated 3-inch outlet restriction remains essential when assessing compatibility.

Skip it if you have a waste outlet other than 3 inches; Flojet 18555-000A offers a 3/4-inch garden-hose discharge connection.

Pick the LATCH.IT V2.0 if your RV has a 3-inch waste outlet and you value quick disconnects, rinse capability, and included storage. Its outlet restriction makes it unsuitable for differently sized waste outlets.

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 · Sealed Kit

2. SEAFLO 04 Series Pump

• Dimensions: 13.5"L x 10"W x 5.46"H
• Weight: 4.35 kg
• Material: PVC

Best for: Sealed-box marine RV pump.

Why it ranks #2: The 12 GPM kit has a stated IP67 waterproof sealed box, 3-inch inlet, 3/4-inch MNPT outlet, and fresh-water rinse.

An IP67 waterproof sealed box distinguishes the SEAFLO 04 Series, offering a protected enclosure for a 12-volt pump used in RV, marine, or septic-station settings. It lists 12 GPM flow, a 3-inch inlet, a 3/4-inch MNPT outlet, and fresh-water rinse capability.

The specified 3-inch inlet and 3/4-inch MNPT outlet define the plumbing interfaces, helping buyers plan connections for the waste outlet and discharge hose. At 12 GPM and up to 15 amps, the pump’s flow and current draw are relevant to both dumping pace and 12V power planning. The IP67 sealed box is a stated enclosure feature, while fresh-water rinse supports tank-cleaning workflow. Its dimensions are 13.5 by 10 by 5.46 inches, useful when allocating storage space.

Skip it if you need a listed lift or suction figure; Kitvance KIT-GLQ-2 specifies 3.2-foot suction and a 10-foot lift.

SEAFLO suits RV or marine owners who prioritize a sealed-box pump with defined inlet and outlet fittings and a rinse function. Plan around its 15-amp maximum draw and available storage space.

Listed on Amazon as: SEAFLO 04 Series 12 GPM RV Macerator Pump Kit IP67 Waterproof Sealed Box Direct Connect to Waste Outlet Fresh Water Rinse Marine RV Septic Station 4-Year Warranty

#3 · Steel Grinder

3. 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 outlet RV dumping.

Why it ranks #3: Its stainless steel grinder macerates particles to 1/8 inch, and the pump uses a compact 3/4-inch garden-hose connection.

A 3/4-inch garden-hose connection is the practical distinction of the Flojet 18555-000A, letting owners use a compact hose instead of a bulky 3-inch sewer hose. Its 12-volt pump combines a stainless-steel grinder with self-priming operation for portable RV waste transfer.

The stainless-steel grinder reduces waste to 1/8-inch particles, a feature the listing links to smooth flow and reduced clogging. Self-priming operation supports its use as a portable waste pump, while the 3/4-inch garden-hose outlet offers a narrower discharge connection than a conventional sewer hose. Flojet lists 9 GPM output and says the pump empties a 30-gallon tank in under three minutes, useful context for planning a dumping stop and hose run.

Skip it if you want a listed 12 GPM pump; Kitvance’s KIT-GLQ-2 specifies that flow rate.

This Flojet suits RV owners who value a garden-hose outlet and a stainless-steel grinder for portable dumping. Its listed 9 GPM flow is the boundary to weigh if tank-emptying speed is your priority.

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

#4 · Complete Kit

4. Kitvance Portable 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 #4: This 12 GPM, 12V kit connects to a standard 3-inch RV waste outlet and lists 3.2-foot suction and 10-foot lift.

Double four-spiral blades reduce waste to particles no larger than 1/16 inch, supporting the Kitvance pump’s stated clog reduction while moving sewage. Its complete kit connects to a standard 3-inch RV waste outlet and provides 12 GPM flow, giving owners a ready-to-connect option for routine tank emptying.

The 12-volt DC motor delivers a listed 12 GPM, while 3.2 feet of self-priming suction and a 10-foot lift provide the stated reach for a discharge setup. The 3-inch inlet connects to a standard RV waste outlet, and the 1-inch outlet defines the pump-side connection. Because the listing identifies this as a complete kit that needs no additional accessories, it can simplify setup; at 6.9 pounds, it is still a piece of gear to store between uses.

Skip it if you need a stated 3/4-inch garden-hose connection; Flojet 18555-000A lists that outlet.

Choose this Kitvance kit if you want a 12-volt pump with a complete accessory package and fine grinding for an RV’s standard 3-inch outlet. Check that its 1-inch discharge suits your hose setup before packing it.

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

#5

5. 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: Included dual-power cable kit.

Why it ranks #5: The 12 GPM pump lists a 10-foot lift and includes cigarette-lighter and alligator-clip cables, clear tubing, clamps, and rinse-port fittings.

The Ristow package includes both a 7.6-foot cigarette-lighter cable and alligator-clip wires, giving owners two listed ways to power its 12-volt pump. Its 12 GPM flow, self-priming operation, and 10-foot lift frame the waste-transfer capability for RV use.

Ristow lists 12 GPM flow and the ability to lift up to 10 feet, with self-priming operation for waste transfer. The dual power leads let users choose between the cigarette-lighter cable and alligator-clip wires, while the included transparent hose, clamps, and 3/4-inch GHT hose connector support the discharge setup. A separate on/off valve connector serves the fresh-water port, so the package covers both hose connection and rinse-port components without implying a specific rinse performance.

Skip it if you need a longer listed cigarette-lighter lead; Gidrox RVSWG012-L includes a 7-foot cable, but not a longer one, so compare cable reach carefully.

Ristow is a fit for RV owners who want dual power leads and included hose and rinse-port connectors. Measure the route to your 12V socket, since the included lighter cable is 7.6 feet.

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

#6 · Dual Power Leads

6. Gidrox Portable Pump

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

Best for: Multiple 12V power connections.

Why it ranks #6: Its 12 GPM, 10-foot-lift specifications come with both alligator-clip and 7-foot cigarette-lighter cables for different 12V sources.

Two power-cable options set the Gidrox apart: alligator clips and a 7-foot 12V cigarette-lighter plug support connection to listed car, RV, and portable power-station batteries. Its 150-watt copper motor is specified for 12 GPM flow, 3.5-foot suction, and a 10-foot lift.

The dual cables let owners choose the listed alligator-clip adapter or the extended cigarette-lighter lead, matching different power sources identified for RVs, cars, boats, and portable power stations. A 150-watt pure copper motor and reinforced grinding impeller are paired with 12 GPM flow, while 3.5-foot suction and a 10-foot lift describe the stated reach. The included clear tubing and garden-hose adapter support the discharge setup; the pump’s listed 12V supply remains necessary.

Skip it if you want a fresh-water rinse inlet; MRGVFLO’s RV Macerator Pump 12V lists that function.

Gidrox suits RV and boat owners who want cable choices across listed 12V power sources and a clear-tubing setup. It remains dependent on 12V power and its stated 10-foot lift.

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

#7

7. CrestWave RV Pump

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

Best for: Copper-motor RV and boat use.

Why it ranks #7: The listing specifies 12 GPM, a 10-foot lift, a 12V 144W copper motor, SK5 blades, and an included hose.

A 144-watt copper motor is the CrestWave pump’s clearest differentiator, paired with a stated 12 GPM flow rate for moving RV or boat tank waste. The listing also specifies SK5 blades and a 10-foot lift, giving buyers concrete motor, grinding, and reach details to assess.

CrestWave lists 12 GPM flow and a 10-foot lift, specifications that frame the pump’s transfer rate and vertical reach for an RV or boat setup. Its 12-volt, 144-watt copper motor is paired with SK5 blades, while the title identifies a full protection kit and the specifications list a hose among included components. These details make it a packaged pumping option, though the supplied information does not describe connection dimensions or the kit’s individual protection components.

Skip it if you need a stated 3/4-inch garden-hose outlet; Flojet 18555-000A explicitly lists that connection.

Consider CrestWave for an RV or boat owner prioritizing a 12-volt copper motor, SK5 blades, and a stated 10-foot lift. The listing’s missing connection dimensions make hose planning an important boundary.

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

#8

8. MRGVFLO 12V Pump

• Dimensions: 11.8"L x 3"W x 5.5"H
• Material: RV Macerator Pump 12V
• Voltage: 12 V DC

Best for: Fresh-water rinse RV dumping.

Why it ranks #8: This 12 GPM pump lists 3.2-foot suction, 10-foot lift, a garden-hose discharge port, quick release, and fresh-water rinse.

A fresh-water rinse inlet paired with quick release gives the MRGVFLO pump a tank-cleaning workflow beyond waste transfer alone. It is a 12-volt unit specified for 3-inch RV wastewater outlets, with 12 GPM flow, 3.2 feet of suction, and a 10-foot lift.

The listed 12 GPM flow and 10-foot lift describe the pump’s transfer capacity and vertical reach, while 3.2 feet of suction is specified for priming. The garden-hose discharge port provides a defined hose connection, and the fresh-water inlet accessories are recommended to help pour and clean the blackwater tank. Quick release supports attachment and removal during use. Compatibility is limited by the stated 3-inch wastewater outlet, so outlet size should guide selection.

Skip it if you need a pump for a differently sized outlet; Flojet 18555-000A instead lists a 3/4-inch garden-hose connection.

Choose MRGVFLO if your RV has a 3-inch outlet and you want quick release plus a fresh-water rinse workflow. Its stated outlet restriction is the decisive fit boundary for other plumbing.

Listed on Amazon as: RV Macerator Pump 12V,Portable Macerator Waste Pump,12GPM Suction 3.2 feet Lift 10 feet with Garden Hose Discharge Port,Quick Release Sewage Pump with Fresh Water Rinse and Manual Crushing Function.

#9

9. hzhdven 12V Pump

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

Best for: Quick-release hose-discharge pump.

Why it ranks #9: It is listed as a 12 GPM portable 12V pump with quick release and fresh-water rinse, but its lift figures differ between title and features.

Quick release and a garden-hose discharge port give this hzhdven pump a straightforward RV waste-transfer setup, with fresh-water rinse and automatic crushing also listed. The 12-volt pump is described for 3-inch outlets and specifies 12 GPM flow, 3.2-foot suction, and a 14-foot lift in its title.

The title’s 14-foot lift is the model’s distinguishing reach specification, while its 12 GPM flow and 3.2-foot suction describe the listed transfer and priming capabilities. A garden-hose discharge port and quick-release connection support a hose-based setup that can be detached after use. The listing also identifies fresh-water rinse and automatic crushing functions. Its 3-inch-outlet-only wording is a key compatibility limit; verify that this matches the RV waste outlet before choosing it.

Skip it if you have an outlet other than 3 inches; Flojet 18555-000A specifies a 3/4-inch garden-hose connection.

This hzhdven pump fits owners seeking quick-release hose discharge, rinse capability, and the title’s 14-foot lift specification. The listed 3-inch outlet restriction is its central compatibility 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. TURBRO MP-12D Pump

• Dimensions: 4.75"L x 5.9"W x 11.8"H
• Voltage: 12 V DC

Best for: Fuse-equipped portable pump kit.

Why it ranks #10: The 12 GPM pump lists 3.2-foot suction and 10-foot lift, but the supplied details provide less information about included kit components.

A replaceable 25A ATO fuse is a specific electrical detail of the TURBRO MP-12D, alongside its 12 GPM flow for black- and gray-water transfer. The 12V pump lists 3.2 feet of suction, a 10-foot lift, and a 3/4-inch NPT fitting for hose connection.

TURBRO pairs its 12 GPM flow with a 3.2-foot suction head and 10-foot lift, giving buyers stated limits to consider when planning a discharge route. The standard 3/4-inch NPT fitting is listed for waste or garden hoses, while wear-resistant NBR impeller material and upgraded grinding components are identified as clog-reduction features. Its replaceable 25A ATO fuse is described as easy to replace, a practical service detail for a portable 12V setup.

Skip it if you need a stated lift above 10 feet; hzhdven’s RV Macerator Pump title specifies a 14-foot lift.

TURBRO fits RV owners who want a 3/4-inch NPT hose connection, listed grinding components, and a replaceable fuse. Its 10-foot lift is the boundary to consider for higher discharge routes.

Listed on Amazon as: TURBRO RV Macerator Pump Kit, 12V DC Portable Sewage Pump, 12 GPM Flow