Iwaki WMD-30RLT (American Motor) 600 GPH

Iwaki WMD-30RLT
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Iwaki WMD-30RLT (American Motor) 600 GPH

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SKU: 300412
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Quick Overview

External pump from Iwaki , the world leader in small magnetically coupled centrifugal pump technology. American-made motor is designed to operate with more head pressure with flow rates of 300-1200.

  • Max Flow: 600 GPH

  • Max Head: 17.7 Ft

  • ¾” Inlet(MPT)/ ¾ ” Outlet(MPT)

  • Max Amps: 1.0

  • Motor Output: 1/16 HP


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Full Details

Quality external pump. Iwaki America pumps offer high pressure rates in a durable, compact pump. American motor offers similar performance to the Japanese but at a lower cost. Easily tailor pump applications because of the numerous motor/pump configurations. WMD stands for Walchem Mag-Drive.

WMD Series - American Motor

  • American motors are HVAC in design
  • American pumps are made from rolled steel with stamped end plates
  • American pumps tend to be 3" longer, on average, because of the adapter plate
  • American series comes with a power outlet plug

  • Quick Compare - Iwaki American Motors (American Motors)


    Power Usage

    Maximum Flow

    Maximum Head


    Iwaki WMD-20RLT


    492 GPH

    14.1 Ft.

    Hose 5/8” NPT ¾”

    Iwaki WMD-20RLXT


    822 GPH

    8.2 Ft.

    Hose 1” NPT 1”

    Iwaki WMD-30RLT


    600 GPH

    17.7 Ft.

    Hose ¾” NPT ¾”

    Iwaki WMD-30RLXT


    1140 GPH

    13.5 Ft.

    Hose 1” NPT 1”

    Iwaki WMD-40RLT


    822 GPH

    21.3 Ft.

    Hose ¾” NPT ¾”

    Iwaki WMD-40RLXT


    1344 GPH

    15.4 Ft.

    Hose 1” NPT 1”



1 Item

  • Finally died after 24 years By Steve on 2/17/2014

    I have had two of these WMD-30RLT-115 pumps on my 180 gallon system for over 24 years. One returns water from the sump to the tanks while the other runs a skimmer. These are the American motors. I noticed the housings starting to rust 4 years ago so I bought a spare. Glad I did because tonight the bearing finally went out on the return pump. The Japanese housings should not rust because they are made of Aluminum. I know the bearing failed because it squealed and whined loudly. So, I'm buying another American WMD as a replacement spare in case the skimmer pump fails on a Sunday night. If the American motors are inferior to the Japanese motors, then the Japanese motors must last for 50 years. But, I'm not willing to pay the extra $60. I'm very satisfied with the WMD.

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