Win Boiler Sim
Downloading Win Boiler Sim 4.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The following version: 4.0 is the most frequently downloaded one by the program users. The program's installer file is generally known as Boilersim.exe. The actual developer of the program is ISA. Win Boiler Sim is included in Education Tools.
From the developer:
This software simulates a single burner, fuel gas fired boiler for training boiler plant operators, and instrumentation and process control personnel. The boiler can be brought on line and fully loaded in a manner that closely follows an actual boiler start up.
You may want to check out more software, such as Sims 3 UIC, Gran Canaria Intl Sim-Giants or Sims Collection Creator, which might be similar to Win Boiler Sim.