Seamless Shell w/ Electro-Coating. 24vDC Variable Speed. Multi-Fixture Pump w/ Amp & Current Limiter Features High Flow- 5.7 GPM [21.6 LPM] Variable Speed Pump Controlled by Smart Sensor (trade mark sensor) High Pressure @ 65 PSI [4.5 BAR] No Pressure Switch Needed. Silent operation at any Flow/Pressure Condition. No Rapid Cycling Seamless Heat Electro-Coated Motor Shell 5 Chamber Design. Large Inlet and outlet Valve Passages Automatic Voltage Protection Current Limiting at 10 Amps Max.