HVAC

I’m sorry if this is the wrong place to ask but is this cause for concern?

I’m sorry if this is the wrong place to ask but is this cause for concern?

Video Credits to: u/veganpancake11
< Previous Anyone know why my oil burner draft would be doing this? Why is our boiler making this noise? Happens intermittently when the heating has been on a while. Do I need an engineer? Thanks Next >
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