DB – WCS-HP Series Products WCS-HP Series WCS-HP Scroll Heat PumpHeating Capacity from 11 to 74 RT (39 to 260 kW)The WCS-HP features:Multiple Scroll CompressorsDunham-Bush Patented Shell & Tube Evaporator and CondenserHigh Efficiency and COPMicroprocessor Based ControllerR407C / R134a