• 39.25.1 Basic information17
• 39.25.3 Retrofitting/modification10
• 39.25.5 Stationary heater/auxiliary heating, complete3
• 39.25.30 Heater2
• 39.25.46 Pump/container1
• 39.25.47 Exhaust system1
• 39.25.60 Preheating/heater booster1