Low RPM Single Speed Pump?

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pjt

pjt

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Jan 7, 2012
1,518
The Woodlands, TX
Pool Size
21000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
I'm looking for a low RPM single speed pump for my waterfall. My current waterfall pump is a 1 HP 3,450 RPM that's loud and uses over 1,000 watts. I want to replace the pump (or keep the wet end and just replace the motor) so I have a quiet and energy efficient setup. Any suggestions?
 
The speed of the motor is determined by the number of poles. A 2 pole motor runs at 3600 rpm (no load. 3450 loaded). A 4 pole motor runs at 1800 rpm (no load, 1725 loaded).

I think that waterfall pumps are usually 4 pole running at 1725 rpm.

Jandy, Hayward and Pentair all have waterfall specific pumps. Check their sites for specifics.
 
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