rubadub New Member Joined Dec 19, 2017 Messages 4 Reaction score 0 Location , Nov 29, 2022 #1 I'm hoping this dohicky allows more moisture in the air so it's not so dry in winter?
johnjh2o Senior Member Professional Supporting Member Joined Jul 21, 2011 Messages 3,482 Reaction score 867 Location Melbourne, Florida Nov 29, 2022 #2 It's a coin vent used to remove air from the system.
A arctic bill Well-Known Member Joined Dec 24, 2020 Messages 592 Reaction score 233 Location montreal Nov 29, 2022 #3 it is a air purger
T Twowaxhack Currently in the Lab conducting research Professional Joined Feb 9, 2021 Messages 13,905 Reaction score 6,475 Location United states Nov 29, 2022 #4 Looks like it needs a haircut.