Resideo ST9120U1011/U Universal Electronic Fan Timer with Adjustable Heat WAV-RL • Class A mesh network

• Class A mesh network

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Replacing CX-FCK

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Heat Det Vert Ss Hex 600F N

Resideo ST9120U1011/U Universal Electronic Fan Timer with Adjustable Heat WAV-RL • Class A mesh networkResideo ST9120U1011 U Universal electronic fan timer replaces ST9120, ST9101, ST9141, and ST9160 models installed in gas warm air furnaces Includes instructions and special wire harnesses for easy replacement. The ST9120U1011 monitors the thermostat for heat, cool and fan demands, runs the induced draft blower motor and runs the circulating fan (up to two speeds) as needed. It also monitors limit switch strings and energizes ignition control. In