Episode 3 picks up where Episode 2 left off (an interesting discussion pertaining to air vents). There is more to know about air in a hydronic system than what meets the eye. Are...
Air. It is not a friend to hydronic systems. Listen in and learn about what an vent is, and what is it not. Why are they important in hydronic systems? Are they different from air separators? Where are the vents installed in your system? Caleffi's wide variety of air...
Can a common brass air vent be used to release air in a plumbing application, or a domestic/heating hybrid system? No! All devices installed in plumbing systems, since January 14, 2014, need to meet the requirements of the Safe Drinking Water Act. This means low lead brass, and NSF 372 (or NSF 61, depending on the Authority having Jurisdiction)....
Yes, you can. Air bubbles that make their way into the upper part of a dirt separator housing will be automatically removed if an air vent is installed. Our brass dirt separators, such as the 5462 Series DIRTCAL and...
An automatic air vent can be affected by water quality issues, such as excessive debris and particulates from corrosion, hard water scale or just plain dirt. The result can be poor air release or water dripping out of the vent cap and onto the floor. Most of the time, all that is needed is a good cleaning. If that doesn't do it,...
As Manager of Engineering Training, I do a lot of Lunch 'n Learn sessions in the U.S. and Canada for specifying engineers. A question that comes up often is: how many automatic air vents should be installed in a hydronic system? My answer is at least one, probably more than one. It all depends on what is required to get rid of...
