NAPOLEON GD80NT-1M MADISON DIRECT VENT GAS FIREPLACE (ZERO CLEARANCE TOP VENT) Napoleon's Direct Vent Gas Fireplaces do not require a chimney and can be vented directly through a wall or roof. The direct vent draws its combustion air from outside while venting to the same outside atmosphere - thereby not consuming warm house air, nor competing with other appliances and furnaces for combustion air. Direct venting also eliminates drafts and heat loss associated with other fireplaces. Unit includes: Millivolt remote control gas valve with auto spark ignitor, built-in adjustable flame heat control, 18" stainless steel flex connector with shut off, Night Light with on/off switch, heat circulating blower with variable speed control, modulating thermostatic hand held remote - controls flame, blower and night light, PHAZERAMIC burner, ember bed and logs with cast iron andirons, pull screen, dual receptacle junction box, firestop. Bathroom/bedroom, bedsitting room approved. Suitable for mobile homes. Up to 43,000 BTU's. 50% flame/heat adjustment for maximum comfort and efficiency. Decorative brick or porcelain panels must be installed. TESTED AS A HEATER TO ANSI Z21.88 AND CSA 2.33