EPH Smart Cylinder Thermostat

The EPH Smart Cylinder Thermostat, eTRV-HW, is a wireless device designed for controlling hot water cylinders. It communicates via RF frequency with an RF16 controller to integrate a hot water zone with the Smart Radiator System, making it suitable for both new and retrofit installations. The device requires 2 x AA Li-FeS2 batteries for power supply, has a temperature control range of 5 to 90 deg C, and comes with features such as a temperature sensor, backlight, and IP20 rating.