Response to Hi, Dale. This 1.5 H.P Variable Speed Pool Pump - PL1615 will not be a suitable replacement for a Jandy Stealth JHP1.5 if we're comparing performance and plumbing. However, in order to find out if this pump will be able to meet your pool needs, you will need to calculate the Total Dynamic Head (TDH) of your pool using Gauges or you Plumbing. Once you've calculated the TDH, use the PL1615 Performance Curve to determine the flow rate at the various RPM's. 

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