GSIEKA20024 Inlet Heater Battery., BRC1H52W Wired touch screen remote controller - White, BRC1H52S Wired touch screen remote controller - Silver, BRC1H52K Wired touch screen remote controller - Black, KRP2A52 and UK.FB2 System adaptor PCB for remote on/off status indication and temperature setting., RTD-Net and UK.FB2 Modbus Interface PCB for Sky Air and VRV., RTD-20 and UK.FB2 Energy control PCB for Sky Air and VRV., KRP50-2 PCB Adaptor for VAM-A series connection to humidifier., BRP4A50A PCB Adaptor for VAM-B Series connection to 3rd party heater or humidifier., BRYMA65 CO2 Sensor for VAM350/ 500/ 650.