Furnace flue support

Good afternoon,

Saw this support for the furnace flue. Does not look right to me.
Looks like plastic materials, which would be combustible.
What are your thoughts?

What I see is a supply duct, not the flue.

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Most of the vent is out of the frame and shows no combustible support. I see a metal duct with combustible support webbing, but it’s not a gas appliance vent.

Seems to be a new unit is needed anyway…

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That’s not a furnace.

That’s not a furnace

Ha! Serves me right for not paying attention!

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Actually, you where paying attention. :grinning:
Good on you Dom.