No tankless coil, but does include a tankless cover plate - Swing away burner door with full chamber access increases visibility for inspection and servicing - Aluminized steel flue collector hood with flue cap on top outlet - Can be converted to rear outlet - Refractory blanket and target wall - High limit pressure control - Built in air separator - Vent damper - Gauge glass and guage cocks - Junction box with service switch - Barometric damper