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Old 07-15-2008, 10:50 PM
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Oh, I don't doubt you get wicked flow out of a closed loop using a Dart pump.

But the flip side is, at 0' of head the Dart is pushing out 3600gpm and consuming 180watts to do so.

A single Tunze 6101 is capable of pushing 3000gph and consumes 36w. So you can have 5 Tunzes before you have the same electrical draw as the Dart.

Of course the flip side is that 5 Tunzes will set you back $1500. Unless you find them used or something like that.

But a more realistic setup is maybe 2 or 3. So let's say 3 Tunzes versus 1 Dart.

Dart: $240
OM-4way: Holy crap, $390?? For real? (Based on this page here: http://www.oceansmotions.com/store/p...f071a68a786482 )
180W @ 24hours/day @ $.14/kWh (based on my last month's utility bill once all the extra surcharges and crap are all added in) - $18ish per month

Tunzes: TS24 kit, ... Holy crap again, $1000? Man have the prices on stuff gone up! I paid $800 for mine!!!!
Extra 6101: $435
36W * 3 @ 24 hours/day = $11ish per month

So over a 5 year period (assuming flatline power rates, haha, as if ), total cost of ownership is in the ballpark of:
Dart - $1710
Tunze - $2060

Far out, I just completely deflated my argument. Pop! Psssshhhhhhhhhhhhewwwwwww!! (sound of balloon deflating)

I .. uh, I had no idea the cost on these things had gone up so much. That's just crazy! I think I paid $300 per my two Tunzes (J&L Boxing Day sales one year apart) and $200 for the multicontroller. The current pricing on them is out of this world!
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