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Posted by HeatPro on October 16, 2006 at 15:51:30:
In Reply to: Re: STEAM HEAT: air vents at each radiator most efficient? posted by Jake on October 16, 2006 at 12:06:19:
They look like STEAM TRAPs when mistypes don't happen.
See Figure 11.10.6 Steam Radiator
here
http://www.spiraxsarco.com/learn/modules/11_10_01.asp