Heat Pump Controller, Heat Pump Thermostat, Sensor manufacturer / supplier in China, offering Single Phase Controller Board PCB Assembly PCBA: 1.5 - 3.5kw Integrated Circuit Board for Optimal Pool Heat Pump System & Compressor Operation, Single Phase 1.5kw/2kw/3.5kw Integrated Printed Circuit Board Assembly PCBA: Ideal for Customized Pool Heat Pump System & DC Inverter Compressor Solutions, Customized 1.5kw/2kw/3.5kw Single Phase Integrated Circuit Board PCB Assembly PCBA: Essential for Swimming Pool Heat Pump Control & DC Inverter Compressor Drive and so on.