You could have downloaded FireCAD WTPB 3.0 from our software library for free. The software lies within Office Tools, more precisely Calculators. The latest version of FireCAD WTPB is supported on PCs running Windows XP/Vista/7/10/11, 32-bit. The most popular version among the software users is 3.0. This tool was originally designed by FireCAD Technologies.
From the developer:
Water tube boiler design software is meant for Bi-drum water tube package boilers.
The type of boilers that can be designed include all Oil fired boiler (fuel oil nos 1..6.., Furnace Oil, LSHS, Low Speed and High Speed Diesel Oil ..etc) and Gas fired boiler (Natural Gas boilers, BF gas, refinery gas ..etc). Both High pressure and low pressure boilers up to a steam rating of 150,000 kg/hr (330,000 kg/hr) can be designed.
You may want to check out more software, such as CAS SI Unit Converter, Skalc or Motioneering Toolbar, which might be related to FireCAD WTPB.