Heating Museum → Controls Help Topics

Take a stroll through HVAC history in our Heating Museum. This section of our website preserves history and answers that so-important question: What the heck is that thing? Whenever you run across anything unusual, chances are you’ll find the old literature about it right here.

Recent Articles in Heating Museum → Controls

Thermiser Patent

Here is a United States Patent assigned to the Thermiser Manufacturing Corporation for a flue box assembly, dated January 30, 1979. "In summary, the present invention pro...

Published on 06/10/2014 10:58 AM
Posted in Heating Museum
Honeywell Gas Valve Patent

Thanks to Gerry Gill for finding and sharing this patent. And thanks to Tim McElwain for these comments about the patent, "It looks like the prototype for what became Hon...

Published on 06/10/2014 10:44 AM
Posted in Heating Museum