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Digital weekly thermostat
Application
WTW 900 consists of : - WTB 900: This device is a battery-powered digital weekly thermostat for controlling room temperature on three levels: Comfort, Economy or Off/Antifreeze.
Its main characteristic is the lack of electrical connections; indeed the ON and OFF signals are transmitted to the receiving unit by radio, making this device easy and cheap to install, especially when there is no existing electrical system available. - WTR 900 : One-channel receiver designed to switch on loads (more precisely, electro-thermal valves or circulators) via radio in home or office heating/cooling systems.
It has 1 channel that can be associated with an independent transmitter (wireless thermostat or thermostat). This system is an optimal solution for buildings in which wires cannot be laid between thermostats and the environment to be controlled.
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