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Reply to "351C Thermostat and plug clearence"

As I understand the engineering, the small diameter pilots into the hole and the rest of the thermostat body then comes down on top, sealing the hole. FWIW, I get about a year out of a thermostat, then temp measurements start flickering up/down 10 degrees. So I change then each Spring. Thermostats are 1930s- technology, and I cut a thermostat up to see what was inside; see Oct '99 POCA News for details.
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