Endless Summer ES4000COMM Endless Summer's commercial grade 40,000 BTU free standing patio heater, by Blue Rhino, is the perfect way to enjoy outdoor entertaining longer. This patio heater is constructed of 304 stainless steel and is fueled with a 20 lb. propane tank, cleverly concealed in the base. The heater's single slanted domes allow the unit to distribute heat more evenly, while reducing the effect of blowing wind on the flame. Featuring an electronic ignition, this heater is simple to light and easy to use. As and added feature, this patio heater includes a safety switch that shuts the unit off if tilted Features: -40000 BTU's of heat.-Electronic ignition for easy starting.-304 Stainless steel construction for long life.-Safety tilt switch that shuts the unit off if tipped over.-Provides up to 20 foot circle of warmth.-Wheel kit included.-Manufacturer provides 1 year limited warranty.-Product Type: Standing heater.-Finish: Stainless Steel.-Distressed: No.-Heat Source: Electric.-BTU Output: 40000.-Heat Range Diameter: 20.-Safety Shut Off: Yes.-Pilot Light: No.-Tip Over Shut Off Safety Switch: Yes.-Portable: Yes.-Wheels: Yes.-Indoor Use: No.-Commercial Use: No.-Eco-Friendly: No.Dimensions: -Overall Height - Top to Bottom: 92.-Overall Width - Side to Side: 34.-Overall Depth - Front to Back: 20.-Overall Product Weight: 79.