Boilers

Designed to work with radiant heating systems, gas- and oil-fired boilers circulate warm water or steam through a network of pipes. Like furnaces, these products are built to deliver reliable and efficient performance.

FEATURE		GWB9-IH		GWB8-IE		GWB8-E/S
Efficiency		Up to 90%		Up to 84.4%		Up to 81.6%
Fuel Source		Natural gas; convertible to LP		Natural gas; convertible to LP		Natural gas; convertible to LP
Sizes/Capacities		Three		Six		Eight
Warranty		15-year limited warranty on heat exchanger; 10-year limited warranty on remaining covered parts		20-year limited warranty on heat exchanger; 1-year limited warranty on remaining covered parts		20-year limited warranty on heat exchanger; 1-year limited warranty on remaining covered parts