G215 Thermostream Logano series include Energy Star listed floor-standing oil boilers designed for medium to large size residential applications. Available in 3, 4, 5, 6 and 7-section sizes and features 3" insulation, full swing front door for easy cleaning and 87% AFUE. Compatible with select Riello, Beckett and Carlin chimney vent burners. Note: burners sold separately.