armerdan t1_iyb86y6 wrote on November 30, 2022 at 2:38 AM Reply to comment by iwillneverreadthiscr in My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. by Iain_MS You are correct. The Mercury is just the switch, the thermometer is a coiled bimetallic strip. Permalink Parent 4
armerdan t1_iyb86y6 wrote
Reply to comment by iwillneverreadthiscr in My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. by Iain_MS
You are correct. The Mercury is just the switch, the thermometer is a coiled bimetallic strip.