I want to build an all 1/2 in system. I was planning to use an Eheim 1048 or 1250 pump. You probably heard me say this in another thread.
Here is my confusion.
Dangerden's site says:
Quote:
Eheim 1048
110/120Volt - 158 GPH
Works with 3/8" Silicon Hose
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and
Quote:
Eheim 1250
110/120V - 317 GHP
1 Fitting is 3/8" 1 Fitting is 1/2" (silicon hose) or 5/8" hose regular
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But Eheim's site says:
Quote:
1048...Centrifugal pump
Hose connection (suction side) Ø13mm (1/2")
Hose connection (pressure side) Ø13mm (1/2")
1250...Centrifugal pump
Hose connection (suction side) Ø17mm (3/4")
Hose connection (pressure side) Ø13mm (1/2")
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A contradiction. So I emailed dangerden and posted in this forum hopeing to clear things up.
Dangerden tech said
Quote:
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It has 3/8" fittings and you would need to use adaptors like ours or some other type of fitting to convert it to a 1/2" system...
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then when I pointed out Eheim's site
Quote:
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The fittings that come with the 1048 are barbed for 3/8". If you use our adaptors it will convert them to a 1/2" system. The adaptors are on our misc. hardware page. The barbs that come with the eheims have an o-ring so we aren't comfortable replacing them with a diffent fitting. Hope this helps.
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Meanwhile GuyBFF helpfully pointed out:
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The Eheim is 1/2" but Danger Den says if you use there surgical tubing it can be stretched over the fittings. Eheim also does make conversion fittings (and I don't own an eheim but from pics it looks like there threaded like the Danner, so just hit the home depot).
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Perhaps I'm just a little dense, but I really am not sure if I can stick a 1048 or 1250 out of the DangerDen package into my 1/2 inch system and have no bottlenecks! DangerDen says they are 3/8 and can't be easily changed. GuyBFF says they are 1/2inch and can be easily changed. Meanwhile Eheims site says something else.
Which is it? Perhaps someone here actually owns a 1048 or 1250 and can tell me what it looks like?