Heater Propane 20K-80K Btu Heater shuts off with loss of flame. Sturdy base prevents tip-overs. Comes with a push-button pilot light ignition. 360 degree directional heat. No electricity required. Simple hook-up; 10' hose and regulator included. Operates up to 14 hours from a 20 lb . low setting. Temporary heat for construction sites, industrial/commercial workspaces, agricultural buildings, emergencies, workshops and remodeling jobs. CSA Certified.