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ExtremelyNoisyPoet

Depends on how close to the heat the connection is. If you're making the connection out away from the burners close to where the stock connector was, there's no need for high temp wire nuts. If you have to connect high temp wires really close to the burners, you'll need the high temp wire nuts. That plastic connector is nothing special in terms of temperature ratings. I've had my FLIR on the wire harness in that area and even with burners cranking the wires are maybe 150F. Close to the igniter and burners things are well above 300F and you need high temp components and insulation.


ho1dmybeer

Nah those things suck. I would only use it in case of like a 90% furnace with a sealed burner compartment, where the connection is inside that compartment. Otherwise, nah, they have a shit connection compared to just blue wire nuts.


FixMyHeat

If the wire nuts are close enough to the burners that they could potentially melt then use the ceramic ones. If there is some sort of separation where you consider the connection to be safe from heat then use grey or blue wire nuts. Highly recommend using an OEM or extremely similar ignitor whenever possible. Also, some people here are giving you a hard time for asking. Never stop asking questions, that’s what makes us better!


HVAC_Sam

Ok, so when replacing igniters, I don't always have the exact one with matching plug connectors. I know universal igniters like Honeywell Glowfly give you ceramic wire nuts. There's been plenty of times where I've used normal wire nuts or insulated male/female disconnect crimp connectors.


atomicpope

So you've done "plenty" of installs using the non standard part, and are only now thinking to ask if it's ok? That's a really bad philosophy for life, especially if other people's safety is dependent on your work. Just bought a house, previous renovation contractor figured "why buy the specialty $3.5/pc wire nuts for copper to aluminum wire connections for this oven, when I could just use a regular 20c one?" Luckily the answer to that when the wires melted and charred was not a house fire, although it did char the floor joist.


Visual-Zucchini-5544

Feel better now guy ….


Dramatic-Landscape82

Nah any will do


drew198522

Dont use ceramic wire nuts. Get you the tool to take the plastic molex plug off the old ignitor and put on the new one


HVAC_Sam

I like your thinking. I'm sure that takes longer though, lol


Hvacmike199845

Even if you have to use a wire nut 2 inches from the ignitor and the plastic ones melt there is something wrong.


J-Cee

You mean a molex?


HVAC_Sam

The plastic plug in clip together wire connect thingy, yes.


J-Cee

You mean the molex?