bh2000 ASSEMBLY

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Sep 04, 2014
Joseph Toohey wrote
the video on your website shows the assembly of a bh1000 and bh2000 however the pump on the bh2000 is much different. only 2 O rings were supplied with my unit and the instructions werent very helpful. my question is about the pump. since only 2 O Rings were supplied am i missing parts? is this a new design and will you be making a video to instruct people on how to install this type of pump. please see the attached image and compare it to your assembly video.
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20 Answers
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Sep 04, 2014
Carlos agent wrote
In your picture, it shows an Aquatrance pump. Our youtube video of the Assembly/Disassembly of the CLSC-1000HOB skimmer (AKA BH1000) uses the same pump.

https://www.youtube.com/watch?v=WoOlriA2Zec&list=PLd9ddZo6L-mlzYo3Zt1jHkLj0Z2SuzT5L

Is this the video that you were referring to?
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Sep 04, 2014
Joseph Toohey wrote
that is the video i am referring to However the pump in this video is not the same as my pump. the pump in the video you supplied connects with an O ring and screw on assembly. the pump in my picture lacks that assembly. it presses into the pump. please compare the picture to the pump in your video. it is not the same pump.
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Sep 04, 2014
Joseph Toohey wrote
you can also clearly see on your website that the bh2000 hang on back skimmer pump assembly is completely different than the bh1000 assembly.
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Sep 04, 2014
Carlos agent wrote
It is the same pump. Both pumps are Aquatrance pump. One may be larger than the other but it is the same exact pump.
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Sep 04, 2014
Joseph Toohey wrote
the pump ASSEMBLY is what ive been referring to.. stand by for the photo comparison ive been trying to get you to understand.
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Sep 04, 2014
Carlos agent wrote
You should have three o-rings regardless. One on skimmers input, one on the skimmers output and the other is attached to the pumps intake.

Here is a picture of the skimmer's assembly diagram... http://blog.coralvue.com/download/7289/
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Sep 04, 2014
Joseph Toohey wrote
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Sep 04, 2014
Joseph Toohey wrote
the diagram dosent tell me anything. now if you click on each picture you can see the assembly from the pump to the unit are vastly different. one being a screw together and the other being a press together. im simply asking for a tutorial on how to assemble the classic 2000 HOB which there isnt one.
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Sep 04, 2014
Carlos agent wrote
The tutorial for assembling the CLSC-1000HOB and CLSC-2000HOB can be found here...
https://www.youtube.com/watch?v=WoOlriA2Zec&list=PLd9ddZo6L-mlzYo3Zt1jHkLj0Z2SuzT5L

While the video is using the CLSC1000HOB skimmer, the CLSC-2000HOB skimmer is just a larger version of the CLSC-1000HOB skimmer using the same Aquatrance pump. The CLSC-1000HOB skimmer uses the AQ1000S pump while the CLSC-2000HOB skimmer uses the slightly larger AQ2000S pump.

The fittings may be slightly difference but the pump attaches to both skimmers the same way.
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Sep 04, 2014
Joseph Toohey wrote
Yes I realize that. However connecting the pump to the intake elbow requires what? There is no screw on attachment as it's depicted in your video
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Sep 04, 2014
Joseph Toohey wrote
Does it just push into place? No O ring required? How does it stay secure and leak free.
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Sep 04, 2014
Carlos agent wrote
Can you send me pictures of what you have please?
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Sep 04, 2014
Joseph Toohey wrote
Sir I've already supplied 3 different pictures. The comparisons of the bh1000 unit with its pump assembly. The bh2000 unit with its pump assembly (which I have) and supplied that photo as well in my first comment. It's the horizontal plastic piece that links the elbow on the left to the pump on the right.. Please review the photos in detail.
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Sep 04, 2014
Carlos agent wrote
You have provided pictures of other skimmers online but I have not see a picture of your skimmer or the parts that you are missing.
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Sep 15, 2015
Andy wrote
Hi Carlos,

I have the exact same unit with the exact problem. And I just received my unit yesterday.

For 2000, there's no screw on cap to the pump at all. Instead, it's a pipe with 2 O-rings sit inside of the tube. Therefore, that particular joint from the elbow > pump is very loose. And my guess is that's where leak happened.

Is that normal? Do you have any suggestion?
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Sep 15, 2015
Carlos agent wrote
If the pump or the venturi adapter are not screwed in all the way, then the pump will not be at the same level as the venture elbow. This will cause the joint to not line up and make leak. You need to make sure that both the pump output and the top of the venturi elbow are tightened at the same time so that they line up and there are not leak issues. Also make sure that the pump and the elbow are lined up horizontally. If the pump is twisted one way and the elbow is twisted the opposite way, then they won't line up either.

If they line up, the slip fitting with the 2 o-rings will be sufficient to work without having the skimmer leak at that point.
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Sep 15, 2015
Andy wrote
Thanks. I believe both input & output are screwed in tightly. But because the venturi adapter joint can't be screwed to the pump, it's very easy to misaligned them when you hit that joint. I truly believe this is the biggest design flow with 2000 and the company should consider to improve it.
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Sep 15, 2015
Carlos agent wrote
I will forward your input to the manufacturer. Thank you for taking the time to let us know.
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Jan 22, 2016
JD Dimbleby wrote
I just received the Classic 2000 also, and i have the same question. The 90 degree elbow that shows to be screwed on by a black plastic nut on the 1000 is lacking on the 2000. It is just a straight piece of PVC that is pushed into the pump. No nuts, no O rings, no nothing. Is this correct?
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Jan 22, 2016
Carlos agent wrote
That is correct. On the CLSC-2000HOB, the elbow slips into the pump's intake. It is only on the CLCS-1000HOB that the elbow screws into the pump's intake.