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  #41  
Old 05-08-2003, 09:22 PM
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Dale,

MAG's aren't pressure rated. Personally I'd go for the MAK4. They are pressure rated. Run a beckett great and consume a LOT less power. 1/2 to 1/3rd the power consumption.
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  #42  
Old 05-08-2003, 10:31 PM
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Originally Posted by DJ88
Dale,

MAG's aren't pressure rated. Personally I'd go for the MAK4. They are pressure rated. Run a beckett great and consume a LOT less power. 1/2 to 1/3rd the power consumption.
Often the decision here comes down to whether your sump is drilled or not. I have to use a submersible pump as I don't have any holes to run an external pump thru!
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  #43  
Old 05-08-2003, 10:38 PM
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Quote:
Originally Posted by reef_raf
Quote:
Originally Posted by DJ88
Dale,

MAG's aren't pressure rated. Personally I'd go for the MAK4. They are pressure rated. Run a beckett great and consume a LOT less power. 1/2 to 1/3rd the power consumption.
Often the decision here comes down to whether your sump is drilled or not. I have to use a submersible pump as I don't have any holes to run an external pump thru!
I run my huge venturi skimmer with the intake for the pump as a U over the sump. I just upsized the tubing on the U to 1.5" and it shouldnt restrict the pump what soever. Just another opinion
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  #44  
Old 05-08-2003, 10:41 PM
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Jon, what happens if the power goes out? Don't you lose prime?
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  #45  
Old 05-08-2003, 11:09 PM
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Not if the pumps below the water line.
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  #46  
Old 05-08-2003, 11:17 PM
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OK, but how did you get water in the pipe in the first place?
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  #47  
Old 05-08-2003, 11:22 PM
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  #48  
Old 05-08-2003, 11:23 PM
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OK, what about air bubbles? Wouldn't they break the suction? Sorry for all the questions, I just didn't think that would work (not well, anyway)
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  #49  
Old 05-08-2003, 11:29 PM
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If you have enough flow air bubbles wont be a factor, they wouldn't be there long.

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  #50  
Old 05-08-2003, 11:34 PM
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what bubbles? As long as the pumps low enough and enough water remains in the pvc then she just fires back up again. My returns are done this way.
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