My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. Submitted by Iain_MS t3_z84a06 on November 29, 2022 at 7:58 PM in mildlyinteresting 91 comments 197
RJFerret t1_iybes2y wrote on November 30, 2022 at 3:30 AM All of our thermostats work with bimetalic strips prior to digital battery ones. Permalink 2
My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on.
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