G.W. Gill Plumbing & Heating
License #22183

IN-AIRID Invisible Air Vent

IN-AIRID , the Invisible Air Vent
If your staring at your radiator and you know for a fact that it is a one-pipe steam radiator and you do not see an air vent, then you probably have one of these. This is the invisible air vent that came out in the late 20's and was really quite a masterpiece of engineering. It made the radiators look much nicer, but that wasn't its real intention. The reason for its existance was to provide better heat out of the one-pipe radiators by eliminating the air pocket that would be left in the radiator when a standard air vent was used. If you have radiators that have these and a radiator is not heating, check to see if a painter painted shut the little air vent hole. If so, poke it open with a paperclip end or similar small wire. By the way, sadly these are no longer made.
Here is a link to read the inventors patent on this air vent.
Here is a link to some actual pictures of one.
Here is a link to an old advertisement for the IN-AIRID vent.
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LICENSE: #22183
ADDRESS:  7601 First Place Suite A-2
Oakwood Village OH 44146
PHONE:   440-252-7120
HOURS:  Monday to Saturday: 9AM - 5PM
LICENSE: #22183
7601 First Place Suite A-2
Oakwood Village OH 44146
Monday to Saturday: 9AM - 5PM
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