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You are here: Home > PUMPS/POWERHEADS > Aquarium Pumps:
Iwaki Motor Drive

Pumps: Iwaki MD Pumps & Iwaki WMD Pumps
  • Iwaki Pumps, RLT type, handle back pressure better and can be used for almost any application. Especially recommended for high-head situations or when using cartridge (pressure) filters.
  • Iwaki Pumps, RLXT type, are best suited for circulation only - that is, where water encounters very little back pressure--for example, returning water from a sump. Excellent where a high turn-over rate is desired.
  • Iwaki Pumps, WMD, have American Made Motors
  • Iwaki Pumps, MD, have Japanese Made Motors

We carry Iwaki MD & WMD pump replacement parts
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Iwaki MD-15RLT Pump
Iwaki MD-15RLT Pump
In Stock
List Price: $200.00
Our Price (price includes free shipping!) $153.99
You save $46.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.

Iwaki MD-15RLT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 300 gph
  • Max head: 11.1 feet
  • Amps: .29
  • Dimensions: 7" X 4.5" X 3.75"
  • Connections: 1/2" MPT Inlet / 1/2" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki WMD-20RLT Pump
Iwaki WMD-20RLT Pump
In Stock
List Price: $212.00
Our Price (price includes free shipping!) $160.99
You save $51.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The WMD pumps have American motors.

Iwaki WMD-20RLT Pump Features:
Iwaki MD-20RLT Pump
Iwaki MD-20RLT Pump
In Stock
List Price: $235.00
Our Price (price includes free shipping!) $178.99
You save $56.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motor.

Iwaki MD-20RLT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 420 gph
  • Max head: 14.1 feet
  • Amps: .48
  • Dimensions: 8" X 3.5" X 4.2"
  • Connections: 3/4" MPT Inlet / 3/4" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki WMD-20RLXT Pump
Iwaki WMD-20RLXT Pump
In Stock
List Price: $217.00
Our Price (price includes free shipping!) $164.99
You save $52.01!
In Stock

The RLXT type aquarium pumps are best suited for circulation only--situations where water encounters very little back pressure. The WMD pumps have American motors.

Iwaki WMD-20RLXT Pump Features:
Iwaki MD-20RLXT Pump
Iwaki MD-20RLXT Pump
In Stock
List Price: $255.00
Our Price (price includes free shipping!) $199.99
You save $55.01!
In Stock

The RLXT type aquarium pumps are best suited for circulation only--situations where water encounters very little back pressure. The MD pumps have Japanese motors.

Iwaki MD-20RLXT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 540 gph
  • Max head: 8.2 feet
  • Amps: .5
  • Dimensions: 8.5" X 3.5" X 4.8"
  • Connections: 1" MPT Inlet / 1" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki WMD-30RLT Pump
Iwaki WMD-30RLT Pump
In Stock
List Price: $223.00
Our Price (price includes free shipping!) $168.99
You save $54.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The WMD pumps have American motors.

Iwaki WMD-30RLT Pump Features:
Iwaki MD-30RLT Pump
Iwaki MD-30RLT Pump
In Stock
List Price: $310.00
Our Price (price includes free shipping!) $240.99
You save $69.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.

Iwaki MD-30RLT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 500 gph
  • Max head: 17.7 feet
  • Amps: .8
  • Dimensions: 9.5" X 3.75" X 5.1"
  • Connections: 3/4" MPT Inlet / 3/4" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki WMD-30RLXT Pump
Iwaki WMD-30RLXT Pump
In Stock
List Price: $254.00
Our Price (price includes free shipping!) $192.99
You save $61.01!
In Stock

The RLXT type aquarium pumps are best suited for circulation only--situations where water encounters very little back pressure. The WMD pumps have American motors.

Iwaki WMD-30RLXT Pump Features:
Iwaki MD-30RLXT Pump
Iwaki MD-30RLXT Pump
In Stock
List Price: $310.00
Our Price (price includes free shipping!) $240.99
You save $69.01!
In Stock

The RLXT type aquarium pumps are best suited for circulation only--situations where water encounters very little back pressure. The MD pumps have Japanese motors.

Iwaki MD-30RLXT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 960 gph
  • Max head: 13.5 feet
  • Amps: 1.1
  • Dimensions: 13.5" X 3.75" X 5.5"
  • Connections: 1" MPT Inlet / 1" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki WMD-40RLT Pump
Iwaki WMD-40RLT Pump
In Stock
List Price: $269.00
Our Price (price includes free shipping!) $203.99
You save $65.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The WMD pumps have American motors.

Iwaki WMD-40RLT Pump Features:
  • Flow rate: 750 gph
  • Max head: 21.3 feet
  • Amps: 1.9
  • Dimensions: 11" X 4.4" X 4.75"
  • Connections: 3/4" MPT Inlet / 3/4" MPT Outlet
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • American motor
  • The RLT type aquarium pumps handle back pressure better and can be used for almost any application. Especially recommended for high-head situations or when using cartridge (pressure) filters.
  • Instruction Manual (pdf format in new window)
Iwaki MD-40RLT Pump
Iwaki MD-40RLT Pump
In Stock
List Price: $389.00
Our Price (price includes free shipping!) $298.99
You save $90.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.

Iwaki MD-40RLT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 750 gph
  • Max head: 21.3 feet
  • Amps: 1.3
  • Dimensions: 10" X 3.75" X 5.2"
  • Connections: 3/4" MPT Inlet / 3/4" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki WMD-40RLXT Pump
Iwaki WMD-40RLXT Pump
In Stock
List Price: $315.00
Our Price (price includes free shipping!) $238.99
You save $76.01!
In Stock

The RLXT type aquarium pumps are best suited for circulation only--situations where water encounters very little back pressure. The WMD pumps have American motors.

Iwaki WMD-40RLXT Pump Features:
Iwaki MD-40RLXT Pump
Iwaki MD-40RLXT Pump
In Stock
List Price: $389.00
Our Price (price includes free shipping!) $298.99
You save $90.01!
In Stock

The RLXT type aquarium pumps are best suited for circulation only--situations where water encounters very little back pressure. The MD pumps have Japanese motors.

Iwaki MD-40RLXT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 1200 gph
  • Max head: 15.4 feet
  • Amps: 1.2
  • Dimensions: 10" X 3.75" X 5.5"
  • Connections: 1" MPT Inlet / 1" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki MD-55RLT Pump
Iwaki MD-55RLT Pump
In Stock
List Price: $436.00
Our Price (price includes free shipping!) $338.99
You save $97.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.

Iwaki MD-55RLT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 1,080 gph
  • Max head: 26.9 feet
  • Amps: 1.6
  • Dimensions: 10.75" X 4.8" X 6.2"
  • Connections: 1" MPT Inlet / 1" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki MD-70RLT Pump
Iwaki MD-70RLT Pump
In Stock
List Price: $489.00
Our Price (price includes free shipping!) $370.99
You save $118.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.

Iwaki MD-70RLT Pump Features:
  • Iwaki MD series pumps do not come with a plug at the end of the power cord
  • Flow rate: 1500 gph
  • Max head: 31.8 feet
  • Amps: 2.8
  • Dimensions: 10.2" X 5.6" X 6.1"
  • Connections: 1" MPT Inlet / 1" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Instruction Manual (pdf format in new window)
Iwaki MD-100RLT Pump
Iwaki MD-100RLT Pump
In Stock
List Price: $596.00
Our Price (price includes free shipping!) $450.99
You save $145.01!
In Stock

The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.

Iwaki MD-100RLT Pump Features:
  • Flow rate: 2000 gph
  • Max head: 39.0 feet
  • Amps: 3.4
  • Dimensions: 12.75" X 6.2" X 6.9"
  • Connections: 1" MPT Inlet / 1" MPT Outlet
  • Does not come with a plug
  • Performance charts (pdf format in new window)
  • Further specifications (pdf format in new window)
  • Japanese motor
  • The RLT type aquarium pumps handle back pressure better and can be used for almost any application. Especially recommended for high-head situations or when using cartridge (pressure) filters.
  • Instruction Manual (pdf format in new window)