Heat Pump Controller, Heat Pump Thermostat, Sensor manufacturer / supplier in China, offering Multi-Functional 3-4kw Solar Power Controller PCBA - Hybrid Single/Three Phase for Heat Pump & Water Heater, Solar Hybrid Inverter Controller PCBA - 3-4kw Single/Three Phase for Heat Pump & Water Heater Compressor Drive, Smart Solar Energy Controller PCBA - 3-4kw Single/Three Phase Hybrid Mode for Heat Pump & Water Heater Systems and so on.