Quote:
Originally Posted by Frank Reiner
The tube contains ether. It is called a "Bourdon tube". It is a component of the expansion valve.
It is not a thermocouple; a thermocouple is an electrical device.
An Idle mind is the Devil's playground.
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Yes, it's not a thermocouple. But neither is it part of the expansion-valve
(though some expansion valves DO use a bourdon-tube to regulate them)
The bourdon tube here controls the AC compressor thermostatic cycling switch.
Happy Motoring, Mark