Blue Thunder In Ground Single Speed 2 Inch Ports To Retro-Fit to Most Pentair Whisper Flow PumpsBlue Torrent Blue Thunder In Ground Swimming Pool Pump If you have a Pentair Pool Pump, this is the replacement pump you want! . 75 HP, 1. 0 HP and 1. 5 HP In Ground Pump Motors 2 Inch Threaded Plumbing Ports Can be wired for 115v or 230v Available in 48 or 56 Frame All copper windings for superior motor life and performance Runs cooler than other pumps in its class Inlet and outlet ports match up to similar style pumps Drop in replacement for Pentair