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Danny D.[_15_] Danny D.[_15_] is offline
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Default Bryant propane heater can't possibly be wired reversed (red LEDblinks constantly)

trader_4 wrote, on Tue, 23 Dec 2014 08:00:29 -0800:

AFAIK, it's a thermocouple, similar to what you'd have in a water heater.


This is probably one of the better explanations of the flame sensor:
http://www.robertshawtstats.com/spaw...163_RevB_1.pdf