Classic, high performance indirect oil and diesel heaters. High heat output: The machine delivers around 50 kW Equipped with double oil preheating which ensures trouble-free start-up and operation even at very low winter temperatures The combustion chamber and heat exchanger are entirely made of stainless steel for long service life and high efficiency (around 92 %) Powerful fan that moves up to 3600 m3/h, giving rapid spread of heat. Facts are from the manufacturer's website Technical specifications: • Power: 53 kW • Airflow: 3 600 m3/h • Fuel: Diesel or fuel oil • Fuel consumption: max 5.0 kg/h • Power supply: 220 V / 50 Hz • Weight: Approx. 140 kg (equipped with wheels/lift eyes for smooth handling) • Year of production: 1987