Homemade Auto pump-out?

Discussion in 'Modify Truckmounts & Portables' started by floorguy_724, Jan 10, 2010.

  1. floorguy_724

    floorguy_724 Well-Known Member

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    Been thinking about building myself a homemade pump out since I only have a 50 gallon waste tank. Has anyone ever built one? I plan on doing this within the next 2 weeks, so any pointers or tips would be helpful! Thanks in advance.:hi::hi:
  2. Kevin Dumas

    Kevin Dumas Well-Known Member

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    what do you want to build? 12V or 110V
  3. e9er

    e9er Member

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    Why can't you some kind of a sub pump
  4. floorguy_724

    floorguy_724 Well-Known Member

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    Would like to build a 12v system and run it off of the van.


    Thought about the sub pump, but the guy from my local boat shop said the sub pump would not last very long. We have a ton of Agriculture shops around here, so I am gonna use a 12v pump of some kind and run it directly off of the waste tank with a 50-100' water hose. I would just like to know what GPM and PSI you guys would reccommend? Thanks
  5. Shawn Abbey

    Shawn Abbey Active Member

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    Farm supply would be a great resource. I got a diaphragm pump from them when my froze up. Great price, and I just bolted my 12V motor onto it, replumbed and I was back in business.

    Shawn
  6. wandwizard

    wandwizard Well-Known Member

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    I have been looking at this one on Ebay. It uses the exact same pump set up as one sold on Jondon for about half the price of Jondons'. It looks pretty simple as it's just a metal housing with a screen, a cheap pump, float switch, and a screen to keep debris out of it. Here is the one on Ebay sold by Chemtex. http://cgi.ebay.com/ws/eBayISAPI.dl...3801266&ssPageName=STRK:MEWAX:IT#ht_720wt_939 and here is the one on Jondon. http://www.jondon.com/catalog/product_info.php?products_id=3216 . They appear to be basically identical. I looked up the pump that is used in both of them and it's fairly cheap and is 12v. That's called a bilge pump and can be bought in lots of places. Here is one very similar if not exactly the same. http://www.drillspot.com/products/67562/Rule_Industries_14_A_Bilge_Pump I think this is the replacement pump for the one sold by Jondon. http://www.jondon.com/catalog/product_info.php?products_id=7184
    Cobb supply also sells an apo pretty reasonable that mounts externally. It is on the right side of this page a few items down. http://www.cobbcarpet.com/tmacc.html
  7. rjfdube

    rjfdube Active Member

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  8. floorguy_724

    floorguy_724 Well-Known Member

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    Thanks for ideas guys!

    Randy, will look into that one on Ebay and see what I come up with.

    Rickie, I'm really looking for a 12v system. I guess I could always run an inverter.
  9. Gnu

    Gnu Active Member

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    This might help you guys out

    Hey guys. This is an item I use for our TMs I think ours is a 2.85 c.i. or bigger. The relative investment is costly Because of the Electric Clutch. The pumps are cheap.
    The reason We use these Pumps. They Cycle off and on when needed and allow positive water flow against the negative pressures of the blowers. And triggered with electric float switch. The drawback is lots of mods.Get them From eBay or northern tool Its a Haldex hydraulic pump[​IMG]
  10. RCC

    RCC Member

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  11. floorguy_724

    floorguy_724 Well-Known Member

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    Wow, thanks for all the help guys!!!

    This is what I am talking about, looks like there is a bunch of options out there.....I will let you know what I decide to do!
  12. Nauti-CS

    Nauti-CS Member

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    Floorguy, I am just wondering how your project turned out?

    I am very interested in build on myself, but I want to do it correctly. (float, check valve and filer)

    Any feedback, pictures and parts list would be very HELPFUL!!!
  13. Steaming

    Steaming New Member

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    Auto pump-out install finished.

    I just finished my autopump out install into my Boxxer 421.

    I installed a float switch and a relay between the float switch and the pump.

    Had to build a turbulence shield around the float level switch. I used 1 PVC end cap and PVC fittings and tubing to connect it all together. You need to know the fitting sizes in order to adapt all of it but its pretty easy. I drilled holes in the bottom of the tubing so the tube drains when the tank is emptied.

    It works great and pumps out 4 gallons per minute even with the motor at full throttle.

    All I need now is the Filter.

    Sure saves me a lot of time not running to the car wash to dump so I can finish the job.

    Items List:

    From Grainger:
    Madison Item # 2XC13 Liquid Level Switch,Poly Float
    Dayton Item # 1EHY8 Relay,Power,SPDT,12VDC,Coil Volts

    From Dultimier:
    Shurflo 4 gallon per minute Diaphragm Pump

    From the hardware store:
    Various brass fittings and a short garden hose to cut up
    A ball shut off valve, install between the waste tank and the pump.

    From the auto parts store:
    Wire and Wire Terminal connectors


    -Doug
    Simply Steaming
    http://www.simplysteaming.com
    • Like Like x 1
  14. See Spots Run

    See Spots Run Well-Known Member

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    I really got tired of trying to build an inexpensive APO that would last. Finally broke down and got a Cleanco external APO
    and love it. Took about an hour to install and works flawlessly. Downside is it's rather spendy, about $1700.00.
    My supplier said they have been using it for three years with no failures.
    Now I don't worry about filling up on a job, EVER! As far as I'm concerned, it was money well spent.
  15. Sef Garcia

    Sef Garcia Member

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  16. Nauti-CS

    Nauti-CS Member

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    That is what I am afraid of... having it work all the time while under vacuum. But I am still trying to figure out why this APO is $1700-$1900. What makes it that much? My guess is there is only one made so the price will be high.
  17. See Spots Run

    See Spots Run Well-Known Member

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  18. jack zerkie

    jack zerkie Member

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    Try Cobb supply great unit for $600 easy to install 12 volt www.cobbcarpet.com or 1-800-634-2622
  19. Nauti-CS

    Nauti-CS Member

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    Thank you for the PDF!


    Jack thanks for the reply. Do you know if their unit can run at the same time there is vacuum being produced? How long have you been operating it and have you had any problems?

    Thanks for the link.
  20. Tile Professional

    Tile Professional Well-Known Member

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    Re: This might help you guys out

    How on earth do you pump sh1t water with a high psi Hydraulic pump??????
    Can't see that lasting long.

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