Doug Miller wrote:
In article , Mark Lloyd wrote:


In this case, we turned on the heat in a 50-degree house, with the
thermostat set for 70. The furnace cut off when the temperature was
about 60.


That indicates a defective thermostat, which renders the example meaningless.


Or one not leveled properly, if it is an old Honeywell mercury-switch deal.

nate


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