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Zio Lite (TR40 / TR42)

The TR40 and TR42 are 2-wire, non-polarity sensitive, Sylk communicating wall modules, which communicate with Spyder® programmable controllers and ComfortPoint™ Open controllers that are enabled with Sylk. The TR40 and TR42 are simple temperature wall modules with basic setpoint, override, and fan options, and are designed for a broad range of applications. Models are available that include humidity and CO2 sensing.