Aftermarket APO install bulkhead fittings

Discussion in 'Portable Carpet Cleaning' started by goomer, Sep 14, 2017 at 1:36 AM.

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  1. goomer

    goomer Well-Known Member

    What hose parts/fittings are best to use to run a APO line through the bottom of a waste tank?

    What size bulkhead fittings?
     
  2. JD5150

    JD5150 Well-Known Member

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    You're going to be using a garden hose fitting some where. Most likely outside the waste tank. You can get a male garden hose fitting to male pipe thread in 1/2 or 3/4. If your pump pumps high volume I would use 3/4 in all the plumbing if not then 1/2 should work fine for all the plumbing. Easier to keep everything one size imo.
     
  3. Odin

    Odin Well-Known Member

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  4. goomer

    goomer Well-Known Member

  5. keep it clean

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    Hole saw. I used bulk head fitting on 35 gal supply tank. Bulk head has foam/rubber gasket. Inside is pipe thread both ends. No need for sealant. Just be sure it sits flat.

    Sealant obviously on pipe thread though.
     
  6. keep it clean

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  7. ACP

    ACP Well-Known Member

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    Uni seal. They are on Amazon and will hold with no glue goop or anything.

    I've used them in aquariums and hydroponic systems with thousands of gallons of water.

    You have to lubricate them to get them on or off but they are extremely durable and strong.

    None of the regular ones from home depot or plastic ones are anywhere near the same, they are for commercial aquarium applications.
     
  8. Grn Steamer

    Grn Steamer Active Member

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    @ACP and these Uniseal (s) are fine with the 15" of vacuume...does it pull the pipe into the tank?
     
  9. keep it clean

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    Uni seal is a push through isnt it? No threads inside?
     
  10. ACP

    ACP Well-Known Member

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    No threads should hold up fine under vacuum
     
  11. ACP

    ACP Well-Known Member

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    They are made to fit standard pipe sizes, pvc etc. They fit really tight and will need a hole drilled to the size they recommend for what size uniseal your using. They give you the exact drill bit size.

    Once you force whatever pipe your using through, which takes some strength and dish soap to lubricate it seals super tight.
     
  12. Odin

    Odin Well-Known Member

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    GOOP IS YOUR FRIEND GOOP IS YOUR FRIEND GOOP IS YOUR FRIEND
     
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  13. keep it clean

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    Would it work on bulk head fitting for wire. I have a cord that runs into tank through electrical bulk fitting that drips on one of my motors.
     
  14. goomer

    goomer Well-Known Member

    How much of a benefit is having a solid threaded anchor point on the inside of the tank to mount hard adapters or elbows?

    Without that, the inside plumbing is limited to starting with a floppy hose right instead of a fixed threaded anchor?
     
  15. goomer

    goomer Well-Known Member

    I have been thinking about running a 2+ft hose from the inner bulkhead to the intake filter and looping it up and fastening it to the upper part of one of the stacks with the filter pointed down so I can open the lid and pull the filter out to clear it if needed even when full.

    I see no advantage to leaving the filter fixed near the bottom of the tank, especially when it is so vital to keep it unrestricted.

    So I guess a flaccid hose is no big deal, like my wife always said.
     
  16. ACP

    ACP Well-Known Member

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    with the uni seal you would just push the pvc or metal pipe all the way through then put whatever threads or fittings you want on

    Ive used them with 3inch pvc on a very large aquarium, plumbing straight out the bottom of the tank
     

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