T6865 series thermostats are designed for the application of a 3-speed fan and modulating valves in a fan coil system.
Product Description
T6865 Thermostat Ventilation Mode Modulating Valve Control
>> General
T6865 series thermostats are designed for the application of a 3-speed fan and modulating valves in a fan coil system. There are four sub-models according to the different functions and backlight, that could meet different requirements accordingly.