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[alumba]

Originally Posted by wokka

SL imagine the heat globe is pumping out hot air. The Thermostat (bi microclimate brand) is like a tap which determines how much hot air to pump out. The probe measures the temerature. If its too cold the thermostat(tap) turns on moreto allow more hot air to heat up the temperature. If its too hot the tap (thermostat turns down to reduce the hot air.

What Wokka wrote

microclimate is just a brand one that i find are quite good there others out there
you just hae to ook around