Ball vs Flat fittings between a GX CS4 pump and an Acecare tank

I'm hoping somebody can tell me what I need to buy to make this work.

I have a GX CS4 pump. I'm trying to connect it to an Acecare 6.8 liter tank with their valve assembly on top. The fittings that came with the tank are mostly incompatible with the fittings that came with the compressor, so I'm trying to figure out what I need to get these connected. It's frustrating because I can find little documentation on any of it.


This is what the CS4's output fitting looks like. It has a weird nipple on the threaded end. Would I be able to buy a replacement fitting that would thread into the compressor?
If I can't change this fitting, then it seems like I'll need to standardize on the fitting style that GX uses. (Which wouldn't be so bad, since the quick connect nipple seems identical to the one on my Huben's fill probe.)

CS4 output fitting.jpg


All of the fitting threads that came with the pump and the tank seem the same. They are parallel and look closer to 27 TPI than 28 TPI but not an exact fit for either. What does this make them? Metric something-a-rather? They're very close to 1/8" NPT.


CS4 fitting with 27 TPI Comb.jpg
CS4 fitting with 28 TPI Comb.jpg


The hoses that came with the CS4 compressor have balled ends, and their quick connects have balled ends to match. The hoses that came with the Acecare tank have flat ends, as are their quick connects. Is one of these designs better than the other? I'll need to standardize on one of them. I can sorta make them work together by smashing a gasket between the ball and the flat but I figure that's not the right way to do it.

Ball connector on left, flat connector on right.jpg

CS4 Ball on left, AceCare flat on right.jpg

CS4 Quick Connect on left, AceCare on right.jpg


And then finally the quick connects themselves... The male barbs on of the CS fittings, or on my Huben fill probe, latch into the Acecare females, but the male barbs on the Acecare fittings have a shorter nipple and so don't seal into the CS females. (The shorter-nipple Acecare fitting is in the middle.)

L to R- Huben probe, AceCare fitting, CS4 fitting.jpg



So what fittings do I buy that thread into my tank and/ or compressor and let me use at least one of these hoses to connect the two?
 
Last edited: