40000BTU Quartz Glass Tube Patio Heater SmartHomes 3 years ago 40000BTU Quartz Glass Tube Patio Heater - 0 - HYMY-CAPH-GT-S Features: Access Door Design.One Piece Quartz Glass Tube 40,000 BTU’s, Variable Control. Wheels for Easy Mobility Thermocouple and Anti-tilt Safety Devices, Regulator Included Uses a 20lb Propane Tank (Sold Separately) ETL Approved