Technical parameters:

The rubber seal for the combustion chamber fuel line is suitable with following heaters:

Air heaters: 

• AUTOTERM Air 4D 

Engine pre-heaters:

• AUTOTERM Flow 5D / 5B 
• AUTOTERM Flow 14D 

Also suitable for following heater flame indicator wiring:

Air heaters:

• AUTOTERM Air 8D 

Liquid heaters:

• AUTOTERM Flow 5D / B