Hotpoint gas dryer DLB 1550B. What is the coating on the igniter and the igniter receptacle? How important is it?

I am replacing the igniter and noticed a burn spot in it. Also,a corresponding spot on the receptacle. Do I need to replace the receptacle too?

Does this coating do anything for current flow? Is it there to make removing the igniter in case of failure easier? I need to know before I just replace the igniter.

  • Hello, and welcome to Home Improvement. Would you edit in a picture of the burn spot(s)? And, you should probably take our tour so you'll know how best to participate here. – Daniel Griscom Oct 30 '19 at 10:50

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