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Post Info TOPIC: Tank Draw tube
Gilbo


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Tank Draw tube
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I can't test this yet, since I don't have my pump yet. It seems like it will work. I know that bottom draw tanks have advantages and disadvantages. One disadvantage is that the bulkhead fitting sits several inches above the tank bottom. This means that the draw tube would run dry with 20 or more gallons still located below the thread sill. I fabbed up a solution. I tried this with 3/4" and it won't work, must be 1/2". A 90 degree also won't work; won't fit inside the 1 1/4" bulkhead; must be a 45 degree.  I used a 1 1/4" fitting for the tank, reduced to 1/2" with a large PVC bushing. I then cut off the inside shoulder that prevents the 1/2" tube from passing through the bushing. I did this on a wood lathe.  I glued it up so that I have a one-piece draw tube that sits about 1/4" from the bottom, so I can completely evacuate the tank. Will check it this week when my all-flo pump arrives. Comments and warnings welcome.

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RoofBright of Florida


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Although the bottom feed sounds good. Those bulkhead fittings will only last a few months. The pressure of the fitting expands the thread pattern and eventually cracks.  This usually happens when you are on a job far from a supply store. We went with the same idea, only we used a holesaw and open a area on top of our tanks. We then attached a 1/2 pvc pipe with the bottom cut on an angle to allow us to draw all of our solution. they will not leak even when cracked.
Like me, most of us have learned by trial and error.

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Roof-Bright of Florida
Gary Boyd (owner)
Reef Property Services


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They do all eventually leak, but, it also depends on the bulkhead fitting as well. You get what you pay for.
AC uses bottom fed tanks

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David O'Connell Jr.
kiloman7


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My top draw tube sits almost 2 inches off bottom of my tank.Most of the time it will suck all the liquid out of the tank,dont really know how or why must be the majic of the all-flo pump,however the bottom of my tank is somewhat flat.Have faith in the top draw it will save you a headache later down the road when you least expect it.

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Hal Brown

Sophia Nc 27350

 
Roof Cleaning Pro Greensboro NC (336)362 7659


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Hey Hal, good to see you posting on here.

I tried to go to the license plate on W.Market to get tags and title made for the trailer. They said you needed to be there to notarize the title.

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kiloman7


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Ok well hope you have been doing well,ill call you and maybe we can meet friday if we both have some free time.Need to get you that reel also take care.

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Hal Brown

Sophia Nc 27350

 
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