Nationwide Boiler developed the CataStak™ SCR to address stringent emissions regulations specifically for their fleet of package watertube rental boilers and eventually, they applied the technology to ...

This is a 500-horsepower steam boiler running at 120 psi. The HeatSponge two-stage, three-section economizer is condensing the flue gas, and the overall boiler efficiency was raised from 83% to 95+%!