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recommendation on 2-speed swimming pool pump - Page 2

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Posted by Ecnerwal on October 30, 2010, 2:13 pm

No particular recommendation, but I have one of these (gifted, taken for
project value of the motor (it had been "rebuilt" - impeller glued back
together, and had already fallen apart again) half speed (which is what
it runs) is more like 1/8-1/4 power. Should be common as dirt at pool
suppliers. I don't recall the brand and it's not anywhere near the
computer to go check it. None of them are made all that well from what I
have seen.

Cats, coffee, chocolate...vices to live by

Posted by willshak on October 30, 2010, 2:25 pm
terri wrote the following:



In Hamptonburgh, NY
In the original Orange County. Est. 1683
To email, remove the double zeroes after @

Posted by trader4 on October 30, 2010, 3:02 pm
I've got a Pentair 1hp that is 5 years old, no problems.   It's a
single speed, but they have others that are two speed.   My
understanding is that two speed is more efficient, even considering
that it has to run longer at the low speed to move the same amount of
water.  One obvious issue in going to a two speed would be whether the
current controller you have can support two speeds.   If not, I guess
you'd be restricted to running only at the lower speed, which may not
be enough for all situations.

A good place to find answers to these questions is the pool and spa
forum which you can google.

Posted by Ralph Mowery on October 30, 2010, 3:11 pm

YOu may want to use an inverter to power the motor if you already have a
motor.  You can set the speed for about anything you want to from a very low
speed to the maximum of the motor.  The inverter may be less expensive than
a new motor or a special two speed motor and speed switch.


The link is to a good brand.  Where I work we use them and have about 30 in
use now.  They seldom give trouble.

Posted by Josepi on October 30, 2010, 3:59 pm
 After doing some high electric bill complaints for a local electric utility,
many polished pool owners told me they just put cycle timers on their pumps.
A few hours twice or once per day was enough.

Apparently the "chemicals are cheaper" and the low speed may not have enoug
velocity to reach the far corners of the pool anyway.

I was told the savings were significant.

can anyone recommend a specific type or brand of pump/motor, 1 HP max, for
swimming pool?

my current understanding is that there are two speed motors that run at low
(half power) enough to
circulate water and can be switched to the full speed to run automatic pool
(like creepy crawly, pool vac)

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