For power surges one of the better ways to go is a small whole house style surge protector that installs into the circuit breaker panel in one of the circuit breaker positions in the pool sub-panel (assuming you have an available 240 breaker slot).
I think Mark is saying that when compared to a 1-speed, a 2-speed will get you much of the savings that a VF will give you...and leave you ~$380 (assuming the 2-speed is about 300) extra cash in pocket now. It will take you a long time to make up that 380 with the VF over the 2-speed motor, especially at the low rates you pay...you probably will never make it up.cjmrdm said:Why do you feel so strongly about the 2 speed?
It's always best to start your own post.dirtfrmr said:my needs are a bit different, should i start another post or attach them here?
linen said:I think Mark is saying that when compared to a 1-speed, a 2-speed will get you much of the savings that a VF will give you...and leave you ~$380 (assuming the 2-speed is about 300) extra cash in pocket now. It will take you a long time to make up that 380 with the VF over the 2-speed motor, especially at the low rates you pay...you probably will never make it up.cjmrdm said:Why do you feel so strongly about the 2 speed?
bobodaclown said:The other thing, if you turn the pump speed too low, yes you get great savings but you may not get adequate pool circulation, skimmer action.
Bob
The Pentair cost estimation system makes a number of assumptions that I don't consider realistic. This results in estimated savings that are larger than most people will ever actually see.bobodaclown said:Here's a link to Pentair that compares savings between single/two-speed/and variable speed.
JamesW said:I still think that it might be a good idea to go with a 1/2 H.P motor and impeller. Do you think that is would meet your flow requirements?
If you really want a variable speed pump. It might be worthwhile checking out the new Hayward Variable Speed SuperPump. It's new, so there won't be many reviews. However, you should be able to find one for about your cash out price, such as this example.
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http://www.poolandspasupplystore.com/se ... _a_7cT1015
http://www.hayward-pool.com/prd/In-Grou ... 002__I.htm