Heat Pump Thermostat
ST-P818 big LCD programmable thermostat for heat pump battery or 24V power

Heating Thermostat
ST-K6 popular WiFi smart thermostat for water heating or electric heating with color display

Fan Coil Thermostat
FC607 series Tuya WiFi Touch Screen Thermostat of FCU

PCBA
10HP Compressor Driver Module PCBA

Motorized valve
DDF-G Motorized Valve DN15 DN20 DN25 for FCU System

Heat Pump Thermostat
ST-4936/4937 programmable thermostat for heat pump