Thanks bud, the one with the card tube is for the ambient temp getting above a pre set temp it speeds up the fan, the other sensor is a regular thermometer rh% sensor.
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There's 2 more I'll give you a run down on them lol
2x temperature sensors for the fan 1 for daytime and 1 for night time to prevent temps getting to cold and
2 to turn on/off dehumidifier and a heater when the light goes out that's why they're not guarded.
The idea being the dehumidifier is up and running before it's actually cooled hopefully preventing precipitation?
It's unbelievably humid here.
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Its rarely below 90%
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We've definitely a shitty climate to deal with.