pump load

  1. H

    NEW Raypak Heat Pump Heater significant flow restriction?

    Hello, new to pools. Engineering degree. Pool installed last summer already Upgraded to an intillifloV3 pump everything is good. circulating 30gpm at 25% speed 150watts. I installed a Raypak (Rheem) 140k BTU heat pump pool heater, with a bypass valve (jandy neverlube) and a Hayward check valve...