Supplied in 33 in. cabinet to fit in tight spaces, Coleman® LX Series TM8Y and TM9Y offer efficiencies up to 80% and 96% AFUE, respectively. Units feature easily accessible controls, aluminized steel tubular heat exchanger, electric hot surface ignition to conserve fuel, and 100% shut-off main gas valve for extra safety. Both units are factory-shipped for upflow or horizontal applications and can be converted for downflow applications. Model TM9Y is ENERGY STAR-rated.