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groundhogy's avatar
groundhogy
Explorer
Sep 24, 2018

Furnace Igniter.. what is that wire made of? Mine erodes.

So, my furnace igniter, basically 2-3 wires sticking out over the burner where the propane comes up, is no longer in production. Last season, I took it to a welder, who proptly welded some welding ...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
Sep 24, 2018
wa8yxm wrote:
Ok the ignightor is TWO of those points (wires. pipes Rods) One is ground, one is IGNITION and one is Thermocouple (this also has a ground part)

The Thermocouple is made of TWO metals. when heated it makes 0.480 volts at low current.. that's the wire that goes to the control board.

See above suggeions for TIG wire for the spark rod


That is not a thermocouple, it's just an electrode. The board runs a small current through the flame.

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