Technical Specifications Type: Air/Gas Burner Mixing Unit Fuel: Gas (application dependent) Air Pressure Reference: 10 kPa Application: Premix burner and industrial combustion systems Function: Mixing and controlling air-gas ratio before combustion Port Size: 1/2″ – 2″ Overall Length: 120 mm – 470 mm Combustion Capacity: 11.6 kW (10,000 kcal/h) – 176.7 kW (152,000 kcal/h)at 10 kPa air pressure