On 13/03/2020 17:40, Tim+ wrote:
Anyone know how these work and why my tumble dryer has a long central
electrode in the flame path with an adjacent earth pin that is angled so
that theres a small gap between the end of the insulated electrode and the
end of the earth pin.

Thermocouple for flame detection.

Is the other electrode an earth pin or the electrode for the spark and
is actually connected to a HV generating circuit.



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