* System operating mode selection: heat, cool or off
* Fan operating mode selection: automatic or on (continuous)
* Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes
* Temperature display in °F or °C
* Battery replacement indicator
RTH230B
Honeywell
501.57 KB
User guide.
RTH230B
Programmable Electronic Thermostat
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Wrap the wires around a pencil to prevent them from falling into the wall. If the hole in the wall is.
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