High-efficiency, gas-fired water boiler
Efficiency rating of 90% AFUE.
ENERGY STAR® qualified which means it meets or exceeds U.S. federal guidelines for energy efficiency.
Cast-aluminum heat exchanger transfers heat up to three times faster than traditional cast-iron exchangers.
Easy integration with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures.
*Shipped as natural gas; field convertible to LP.