NMMP12-G120-12-1 - Water pump Vevor - Free user manual and instructions

Product Type	RV Maceration Pump (RV)
Brand	Vevor
Model	NMMP12-G120-12-1
Dimensions (L x W x H)	295.5 x 148.2 x 132.7 mm
Power Supply	12 V DC
Maximum Flow Rate	12 gallons per minute (GPM)
Maximum Range	≥ 10 feet (3 m)
Power Cord Length	7 feet (2.1 m)
Pump Type	Self-priming flexible impeller with stainless steel wear plate
Macerator	Stainless steel blade reducing particles to max 1/8 in (4 mm)
Seal Material	Lip seal
Inlet Connection	RV connector 3 in (75 mm)
Outlet Connection	Garden hose fitting (1 in)
Main Functions	RV holding tank draining, fresh water flushing, long-distance discharge
Safety	Do not run dry for more than 30 seconds; disconnect power before maintenance; 20 A fuse in car adapter
Maintenance and Cleaning	Rinse with fresh water after use; disassemble pump to clean blades and impeller
Spare Parts and Repairability	Blade, impeller, seals, housing, motor; replaceable parts per detailed list
General Information	Pump designed for intermittent use; do not permanently mount on RV drain port

Frequently Asked Questions - NMMP12-G120-12-1 Vevor

How to install the Vevor NMMP12-G120-12-1 maceration pump on my RV?

Remove the drain hose cap, install the pump onto the drain by turning clockwise to lock. Ensure the O-ring is on the port adapter before installation. Connect the discharge hose to the outlet and the rinse hose to the on-off valve.

What type of power supply is needed?

The pump operates on 12 V DC. Use the provided car adapter with a 20 A fuse. The power cord is 7 feet long. Follow the wiring diagram: red wire to positive, black wire to negative.

How to rinse and clean the pump after use?

After draining, close the drain valves, turn on the rinse water (max 40 PSI) and run the pump to flush the interior. Turn off the water and pump, disconnect hoses, and store the pump.

What to do if the pump does not start?

Check the fuse in the car adapter (20 A). If blown, replace it. Check electrical connections. If the motor is defective, replace the pump.

How to unblock the pump if it is stuck?

Turn off power. Open the adjustment cap at the motor end (button 21) by turning counterclockwise. Insert a screwdriver and turn clockwise to loosen the blade.

What accessories are included with the pump?

The pump comes with: quick-connect valve with switch, 2 metal hose clamps, 1-inch clear hose, 1-inch + 3/4-inch NPT copper washer, 7-foot power cord, power cable with 2 metal clips, and a user manual.

Can the pump be used continuously?

No, the pump is designed for intermittent use only. Do not run for more than a few minutes at a time. Do not run dry for more than 30 seconds.

How to replace the cutting blade?

Disconnect power. Remove the 4 cover screws, then the cutting housing. Hold the motor shaft with a screwdriver in the slot, remove the hex nut and blade. Replace by aligning with the shaft, tighten the nut.

What is the maximum range of the pump?

The pump can discharge over a distance of at least 10 feet (3 meters) thanks to its garden hose discharge port.

How to maintain the pump to extend its life?

After each use, rinse with clean water. Regularly check the condition of seals and blades. Store in a dry place. Follow disassembly instructions to clean the impeller and blades if necessary.

USER MANUAL NMMP12-G120-12-1 Vevor

Technical Support and E-Warranty Certificate www.vevor.com/support

RV MACERATOR PUMP OPERATING INSTRUCTION

MODEL: NMMP12-G120-12-1

We continue to be committed to provide you tools with competitive price. "Save Half", "Half Price" or any other similar expressions used by us only represent savings you might benefit from buying certain tools with us compared to top brands and does not necessarily mean to cover all categories of tools offered. We kindly remind you to verify carefully when placing an order with us that you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation of the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

Warning - To reduce the risk of injury, the user must read the instructions manual carefully.

FEATURES

• Connects directly to the RV waste outlet
• Ability to dump longer distances • Garden hose discharge port
• Ability to drain holding tanks at home

- Fresh water rinse capabilities

Easy clean up and storage

SPECIFICATIONS

Pump: Self-Priming Flexible Impeller with Stainless Steel Wear plate.

Macerator: Stainless Steel Cutter reduces particle size to 1/8" (4 mm) maximum.

Seal: Lip Type

Ports: Inlet - 3" (75 mm) RV Connector; Outlet - 1" hose barb.

Motor: 12 Vdc Permanent Magnet Type, Fully Enclosed, with Stainless Steel Shaft Intermittent Duty Only.

Model	NMMP12-G120-12-1
Size	295.5*148.2*132.7 mm
Rated Voltage	DC12V
Max Flow	12 GPM
Max lift	≥10 ft
Power cord length	7 ft

PRODUCT LIST

Description	Quantity
Rv Macerator Pump	1
Detachable quick connection valve with switch	1
Metal hose clamp	2
1 inch clear hose	1
1inch+3/4inch NPT Copper joint	1
7 ft Power cord	1
Operating Instruction	1
Power cable with 2 metal clips	1

WARNING

APPLICATION

The NMMP12-G120 DC waste pump is the ideal solution for emptying holding tanks on recreational vehicles and avoiding dump stations.

Empties a typical 40-gallon holding tank in less than 5 minutes. Do it for more than.

WARNING

1. DO NOT RUN DRY FOR MORE THAN 30 SECONDS.
2. DO NOT MOUNT PERMANENTLY TO THE RV WASTE PORT.

WIRING DIAGRAM

Key	Description	Key	Description
1	Screw	12	Impeller housing
2	Pump head gasket	13	Outlet Cover
3	Pump head	14	Oil seal
4	Pump head check valve	15	Seal
5	gasket	16	Motor
6	Detachable quick connection	17	Rubber Feet
7	Screw Nut	18	Iron Plate
8	Blade	19	Screw
9	Round stainless steel shee	20	Adjustment Cap O-ring
10	Impeller	21	Adjustment Cap
11	Convex stainless steel shee

OPERATING INSTRUCTIONS

1. Remove the end cap from the drain pipe.
2. Install the waste pump on the drain in any convenient position twisting clockwise to lock.
3. Be sure that the o-ring is on the pump adapter prior to installing the unit.
4. Install waste/garden hose on the discharge port adapter.
5. Install the rinse water hose to the on-off valve. 6. Open the black water valve, and turn on the pump.
6. Turn off the pump and open the gray water valve. Let gray water back flush the black water tank. Turn on the pump.
7. Turn off the pump, open the rinsing valve, and backfill tanks for rinsing. Turn on the pump. Turn off the rinse water. Drain tanks.
8. Close both drain valves, and turn on the rinse water (40 PSI) and pump. Rinse the pump and discharge hose.
9. Turn off the water and pump, and disconnect the hose and
10. Store until next use.
11. Replace the end cap on the drain pipe.

ELECTRICAL INSTRUCTIONS

1. Refer to electrical drawing below. Connect the switch assembly to the RV waste pump motor wires with butt connectors (connect the motor wire to the red switch wire; and the black motor wire to black switch wire).
2. Connect the car adaptor to the power.
3. Fuse Replacement: The fuse is inside the car adaptor. Use an automotive 20 amp fuse for replacement.

12 Volt System	Min. Wire Size (20 Amps)
Total Wire Length*	3% Drop	10% Drop
Feet [m]	GA	GA
1-10 [.^3]	#10	#16
11-20 [3.3-6]	#8	#14
21-30 [6.4-9.1]	#6	#12
31-60 [9.1-18.2]	#4	#10

*length from the power source to the motor and back to the ground

ELECTRICAL INSTRUCTIONS

TURN OFF ALL POWER!

-REAR END CAP/MOTOR SHAFT ACCESS

Loosen the shaft knob (21), and put the D-type rotary knob mounted on one end of the rear end of the motor.

-PUMP DISASSEMBLY

Remove 4 cover screws (1). Remove cutter housing (3) and gasket (necessary to hold the motor shaft steady). Remove the hex nut (7) and

cutter blades (8). Insert a screwdriver into the slot on the motor shaft (9/32" [7mm]) behind the blade onto the flat of the motor shaft. Remove hex nut (7) and cutter (8). Remove the top wear plate (9), gasket (5), impeller (10), and bottom wear plate. Remove the impeller housing (12) and shaft seal (14). It is not necessary to remove the slinger (15).

-PUMP ASSEMBLY

Ensure the slinger (15) is on the motor shaft. Ensure that the shaft can be inserted into the right position of the impeller housing (12). Install the impeller housing (12) onto the motor shaft. Install the bottom wear plate (11) insert into the impeller housing (11). Rotate the impeller (9) into the impeller housing (12) counterclockwise. Install the gasket (5) and top plate (9). Install the cutter blade (8) and align it with the motor shaft. Hold the motor shaft with a screwdriver or a wrench (9/32" [7mm]) to tighten hex nut (7). Install gasket (5) and cutter housing (3) and tighten screws (1).

DANGER

Do NOT use the pump if any part of the housing, switch, or probe is broken or missing.

Always disconnect the electric supply before attempting to install, service, relocate, or perform any maintenance. If the power source is out of reach, lock and tag in the open (off) position to prevent unexpected power application. Failure to do so WILL result in fatal electrical shock!

TROUBLESHOOTING

Please turn off the power before checking the fault.

Problem	Possible Cause	Corrective Action
The pump won't start or run	1 . Blown fuse2 . Defective motor3.You are connected to the wrong line.	1 . If blown , replace with fuse of size .2 . Replace the pump .3.Connect the circuit correctly accord to the instruction circuit diagram.
The pump operates but delivers little or no water	1 . Something stuck in the blade.2. The hose doesn't fit the machine.	1 .Remove residue from the blades. blade is sharp. Please be careful cuts.2. Use the correct hose.
Pump is blocked	Something hard jammed the blade.	Power off, open the knob (21-Adjustme Cap) at the end of the motor in the counterclockwise direction and then rotating the bolt clockwise with a screwdriver to loosen the blade

*There may be minor changes to the numbers included in the manual without prior notice.

VEVOR®

TOUGH TOOLS, HALF PRICE

Technical Support and E-Warranty Certificate

www.vevor.com/support

VEVOR®

TOUGH TOOLS, HALF PRICE

We continue to be committed to providing you with tools at competitive prices. "Save Half", "Half Price" or any other similar expressions used by us only represent an estimate of savings you might benefit from buying certain tools with us compared to top brands, and does not necessarily mean to cover all categories of tools offered. We kindly remind you to verify carefully when placing an order with us that you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves the right to interpret the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

We continue to be committed to providing you with tools at competitive prices. "Save Half", "Half Price" or any other similar expressions used by us only represent an estimate of savings you might benefit from buying certain tools with us compared to top brands, and does not necessarily mean to cover all categories of tools offered. We kindly remind you to verify carefully when placing an order with us that you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation of the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

FEATURES

www.vevor.com/support

VEVOR®

TOUGH TOOLS, HALF PRICE

We continue to be committed to providing you with tools at competitive prices. "Save Half", "Half Price" or any other similar expressions used by us only represent an estimate of savings you might benefit from buying certain tools with us compared to top brands, and does not necessarily mean to cover all categories of tools offered. We kindly remind you to verify carefully when placing an order with us that you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves the right to interpret the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

www.vevor.com/support

VEVOR®

TOUGH TOOLS, HALF PRICE

We continue to be committed to provide you with tools at competitive prices. "Save Half", "Half Price" or any other similar expressions used by us only represent an estimate of savings you might benefit from buying certain tools with us compared to top brands and does not necessarily mean to cover all categories of tools offered. You are kindly reminded to verify carefully when placing an order with us whether you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves the right to interpret the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

MODEL: NMMP12-G120-12-1

We continue to be committed to provide you with tools at competitive prices. "Save Half", "Half Price" or any other similar expressions used by us only represent an estimate of savings you might benefit from buying certain tools with us compared to top brands and does not necessarily mean to cover all categories of tools offered. You are kindly reminded to verify carefully when placing an order with us whether you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation of the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

PRODUCT LIST

www.vevor.com/support

VEVOR®

TOUGH TOOLS, HALF PRICE

Technical Support and E-warranty Certificate www.vevor.com/support

We continue to be committed to providing you with tools at competitive prices. "Save Half", "Half Price" or any other similar expressions used by us only represent the savings you might benefit from buying certain tools with us compared to top brands and does not necessarily mean to cover all categories of tools offered. We kindly remind you to verify carefully when placing an order with us that you are actually saving half in comparison with the top major brands.

MODEL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[e-mail]

This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation of the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

www.vevor.com/support

VEVOR®

TOUGH TOOLS, HALF PRICE

We continue to be committed to provide you tools with competitive price. "Save Half", "Half Price" or any other similar expressions used by us only represent of savings you might benefit from buying certain tools with us compared top brands and does not necessarily mean to cover all categories of tools offered are kindly reminded to verify carefully when you are placing an order with us actually saving half in comparison with the top major brands.

MODELL: NMMP12-G120-12-1

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel fr contact us:

[e-mail]

This is the original instruction, please read all manual instruction carefully before operating. VEVOR reserves a clear interpretation user manual. The appearance of the product shall be subject to product you received. Please forgive us that we won't inform you there are any technology or software updates on our product.

PRODUCT LIST

www.vevor.com/support