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Old 01-19-2005, 10:01 AM   #11
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There are bigger littlegiants will handle the 14' head with little problems. Petwarehouse.com has a nice flow chart showing head and GPH flow rates on the different models if you click the "More Information" link under the little giant pump listing.
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Old 01-19-2005, 08:21 PM   #12
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I notice the 5.5-MDQ-SC will more than handle it, but the next step down is pretty far. I think I may consider that one.

Is it pretty quiet?
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Old 01-19-2005, 08:29 PM   #13
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The 5 or the 4 as far as quite. Mine is the one I listed of course and it gives a low hum. I dont consiter it loud at all. Expecially with the fact I have it in another room.
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Old 01-20-2005, 08:43 AM   #14
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Just got turned off of the 5.5-MDQ-SC after I saw the monthly operating cost of this pump on THIS TABLE.
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Old 01-20-2005, 08:44 AM   #15
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Just found a great head loss calculator on another website HERE
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Old 01-20-2005, 08:57 AM   #16
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I'm looking at the BlueLine HD 55 or 70 as an option as well. They seem to lose less head height. Anyone use them before?
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Old 01-20-2005, 09:05 AM   #17
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Never used the bluelines but they are very comparable to the iwakis. They are designed by the same guy. I think the Amp master 3000 may be your best bet. It uses very little power and has high flow and could easily do 14' of head without breaking a sweat! It does require a 1 1/2" intake though.
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Old 01-20-2005, 12:44 PM   #18
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With all of the twists and turns I don't think the 3000 would give me the 600gph I'm looking for, so I'd have to go with the 4000. The 3000's 600 gph at 14' of head is for a straight run, no elbows and 1-1/2" output. My tank's only drilled at 3/4".

I contacted the Blueline people (2 hour response BTW), and explained my setup and he did the math to determine I would need the Blueline 70 with a globe valve to throttle down from 742 gph to 600gph. The 55 only did 466 gph with my exact setup.
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Old 01-20-2005, 12:45 PM   #19
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The 70 runs at 270 watts, while my Mag 36 runs at 360, so I'll like that reduction too. And no more vibration noise!
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