Digital room thermostat for 3-way FCU and 2-way valve 4DO ~220V BS white SE RTF2L Systeme Electric

Digital room thermostat (thermostat), ventilation/heating/cooling modes, for 2-pipe 3-speed fan coil and 2-position valve, fan speed low/medium/high/auto, backlit LCD screen, push buttons, white color, power supply voltage 230 V AC, installation in a BS standard box with a depth of 35 mm or more