Systems Help Center

This circa-1927 article from The Trane Company shares how to Select and Install Trane Concealed Heaters. Thank you to our good friend, Frank "Steamhead" Wilsey for sharin...

This excerpt is from The Ideal Fitter (1922). You'll find indirect radiators (both steam and hot water) within basement ductwork. Often, there is a connection to outside ...

Here is a very complete circa-1924 Kewanee Boiler Company radiator catalog. Thanks to Andrew Strand for finding and sharing with us.

Thanks to Frank "Steamhead" Wilsey for finding and scanning this for us. He writes, "John Mills was a rather prolific inventor, who most of us know for the Mills boilers ...

These ratings for Murray Radiators from American Radiators are very hard to come by. And thanks to Gerry Gill for finding and sharing the Murray patent, which you'll also...

This book from the United States Radiator Corporation contains information about their Capitol Boilers and Radiators. Thanks to Bob Moore for finding and sharing this doc...

Here is a circa-1935 catalog from the Pierce, Butler Radiator Corp. showcasing their Pierce Eastwood Radiators, Pierce Wall Radiators and brackets, as well as radiator ra...

This chart from Shaw-Perkins Radiators shows the various outputs in Btu/hr per square foot E.D.R. that you'll get at various steam pressures (including vacuum systems). T...

Gold, Nason, Bundy, and Reed Radiators were some of the first radiators made. This document contains radiator ratings are have been very tough to come by. Thanks to Frank...

Here is a circa-1929 from the Richmond Radiator Company featuring their Richmond Floorline Radiator for heating.