The 5" Gas Fuel Terminal is used to stop rain ingress into flue. Made of Aluminium, it is suitable to use with Gas and 28 sec Oil applications.

Handy Hint:This item is required by law and UK Building Regulations on all Gas Liner installations.
 
How To Install ?
The Gas Terminal slides over the top of the liner and can be screwed into place with self-tapping screws (not supplied). Alternatively, it can be cemented into place at the top of the stack.