SIP FIREBALL 3711DV Dual Voltage Propane Gas Heater, 158,767-371,000BTU/hr 46.5.2-108.7kW 110V/230V (09278) The SIP FIREBALL 3711DV Propane Space Heater is a powerful dual voltage space heater that provides approx. heat output of up to 371,000BTU/hr. With variable output controlled by a regulator, the 3711DV offers efficient gas burning and cost savings. A compact design means a smaller overall footprint and, through a top-mounted handle, freestanding legs and wheels, it can be easily positioned wherever needed, including site work, garages and medium-sized workshops. This heater meets Energy-related Products (ErP) compliance for added peace-of-mind. 2490mtr³ (87,934ft³) approximate heating area. 158,767BTU/hr to 371,000BTU/hr (108.7kW) approx. heat output. 230V (13A) and 110V dual input voltage for added versatility. Variable output for efficient gas burning and cost savings. Corrosion-resistant stainless steel casing for durability. Wheel-mounted design with top-mounted handle for mobility. Regulator and hose included meaning no added expense. Integrated front grille and freestanding legs. Meets Energy-related Products (ErP) compliance. Manufactured in Italy.