40,000-BTU heat output keeps a 15' radius toasty warm. High-efficiency burner system features a flame-failure device and anti-tilt switch. Push-button piezo ignition. Adjustable heat control. Three-piece slidable aluminum reflector intensifies heat. Our Deluxe Patio Heater is equally at home in fine outdoor cafes or backyard patios. When cooler weather arrives, extend the outdoor entertaining season with this commercial-quality outdoor heater.. . . . . Weighty 20" base rolls easily on wheels. Patio heater uses a 20-lb. LP tank (not included). Assembly required.