Stay warm and comfortable with the Ashley Hearth Products 17,000 Btu Direct Vent Propane Wall Heater. Designed to heat up to 570 sq. ft., it provides efficient, continuous warmth for homes or workspaces. Its space-saving design mounts directly to an exterior wall, with compatibility for wall thickness between 4.5 and 10 inches. The sealed combustion system draws air from outside and vents exhaust outdoors, allowing windows and doors to remain closed during operation. Equipped with matchless Piezo ignition, it ensures quick and reliable startup. A built-in safety pilot with pressure regulator automatically stops gas flow if the pilot is extinguished for added protection. This unit is designed exclusively for propane use, delivering safe, reliable, and efficient heating for your living space.