Triangle Tube offers factory prefabricated boiler manifolds with capacities from 800,000 Btu/hr to 2 million Btu (two to five boilers) in two different piping arrangements: Primary Secondary with individual 3-speed pumps and a hydronic junction, or Reverse Return, utilizing a single pump. The Prestige Cascade system features individual, 95% efficiency, fully modulating, low water content 399 MBH boilers. The system can be piped to a single Smart or Multiple Smart indirect fired water heater for high performance volume water heating applications.

Triangle Tube/Phase III Co.
Circle 233