Get the larger pump it will produce more air volume and will help turn the pond over quicker thus you may not have to run it as long. The eco pumps seem to be lasting a decent amount of time for the price. Consider a 1/4 hp rotary vane. They will produce more air volume (4.5cfm) and outlast a eco pump by many years. I had a guy come in for his first rebuild kit since 1998 although the vanes were not worn enough for replacement. He is running unit 8 hrs/day. He still had at least 5-7 yrs on the vanes before replacement vanes were needed. One should go through 3 sets of vanes before the bearing are worn out on the GAst 1/4 hp Rotary vane pumps. These pumps run 5 hrs/kw of electricity. Where in IN are you?

Last edited by Bill Cody; 03/26/12 04:48 PM.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
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