What is the temperature setting range when programming the CT3355?
The temperature cannot be set any higher than 88°F (31°C) or any lower than 45°F (7°C) during programming. If the display will not go beyond these values, you have reached the temperature setting limit. (Pages 12–13)
From the official Honeywell CT3355 Home Programmable Thermostat manual, page 12
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