Neal Lewis Posted April 19, 2014 Report Share Posted April 19, 2014 This is an equalizer device for a two pipe steam boiler. I know the purpose of an equalizer, but how does this device work? There seems to be an endless variety of different and interesting steam heat devices that I run into every once in awhile. Steam heat never ceases to amaze me. I even keep a copy of The Lost Art of Steam Heating on my coffee table... Click to Enlarge 51.81 KB Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted April 20, 2014 Report Share Posted April 20, 2014 An equalizer is just the section of piping connecting the steam header to the condensate return. Some have check valves. I'm not sure what the device is in the picture. When I see really odd contraptions and configurations it's usually a vapor/vacuum system or there is a need to flood the return. Quote Link to comment Share on other sites More sharing options...
kurt Posted April 20, 2014 Report Share Posted April 20, 2014 Does it precede a vaccum pump system or other return mechanisms? Reason I ask is it looks like a drip leg to collect sediments or contaminants. That one section has recently been opened (taped threads), and there's a union to allow disassembly. Maybe it's some kind of clean out....(?) I've never seen any pipe section like that. Quote Link to comment Share on other sites More sharing options...
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