Update.
I eventually finished this project and fitted a Bowden Choke Cable so the valve can be opened/closed without having to get my hand through to the little lever.
I mounted one end on top of the heater matrix, it was going under the leading edge but it made getting the lid of the fuse box a bit tricky.
![[Linked Image]](https://www.tm-img.com/images/2025/05/12/IMG_20250511_164943.md.jpg)
I had to make a bracket for the other end and crimped an electrical connector to the end to go over end of the lever.
![[Linked Image]](https://www.tm-img.com/images/2025/05/12/IMG_20250511_161549.md.jpg)
Tested and works ok at the moment.
I considered trying to get the cable through to the cabin and even attached to the existing heater control knob but both were too difficult so went for the easiest option.
Regards