Capacities from 1.5 MMBTU/hr input through 6.0 MMBTU/hr input [36 boiler horsepower through 143 boiler horsepower].
UL Listed and Labeled.
Hot Water ...
2 pass design, Steam or Hot Water, 50-60 Hz
125-800 HP
Multiple fuel firing, including #6
Enhanced Heat Transfer Design
Integral package; easy to ins...