I had a Hayward Quietflo RS single speed 1.5hp pump. I don't know why it was called Quietflo anyway since it was loud. I replaced in with a Sta-Rite SuperMax VS variable speed 1.5 hp pump. I have suction. Pump tuns great. The only thing I notice is that the DE filter has 2 psi less than before. It's at 18 psi instead of 20. Any issues? Is my pool not going to get clean?
New pump - lower pressure in DE filter
- Thread starter TXKnight
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With your variable speed pump, the filter pressure will vary with pump speed. Higher pump speed, higher filter pressure. It could be that you are running at a lower speed than your single speed pump, or it could be that the variable speed pump has a lower flow rate than your old pump even at maximum speed. Either way, no need to worry.
Most people prefer to run the variable speed pumps at a low speed, maybe 1500rpm, for much of the day as this will save a lot of money on electrical cost but still keep your pool clean.
Most people prefer to run the variable speed pumps at a low speed, maybe 1500rpm, for much of the day as this will save a lot of money on electrical cost but still keep your pool clean.
Is there any value in my old pump or should I just throw it out?With your variable speed pump, the filter pressure will vary with pump speed. Higher pump speed, higher filter pressure. It could be that you are running at a lower speed than your single speed pump, or it could be that the variable speed pump has a lower flow rate than your old pump even at maximum speed. Either way, no need to worry.
Most people prefer to run the variable speed pumps at a low speed, maybe 1500rpm, for much of the day as this will save a lot of money on electrical cost but still keep your pool clean.
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