Comment on Grundfos UPS15-58FRC 59896343 1/25 HP 115V Circulating Pump - Cast Iron Body by . grundfos, October 12, 2011 By leavralph - Amazon Verified Purchase(What's this?) This review is from: Grundfos UPS15-58FRC 59896343 1/25 HP 115V Circulating Pump - Cast…