Remis Vario 2 900mm x 600mm Rooflight query

[Gaz n Debz]

We have recently upgraded our MH to a Bavaria I740 that unbeknown to us had an issue with the Rooflight winding mechanism - looking on this forum and other websites it appears that this wormdrive cable winding arrangement is notorious for snarling up and turn turning itself into a snakes wedding. I managed to find a replacement winding mechanism online (£90!!) and fitted it yesterday, only for it to wind close with no issues and then upon opening exactly the same issue I had with the previous one has happened with this one - it appears that the outer sheath or pipe (or whatever it's called) that the drive wire runs through, is not clamped tight enough within the gearbox assembly and basically it gets pushed out of the box and the drive wire just coils itself up both within the gearbox and outside of it.
Anyway my question/query is, can anyone recommend a replacement for this rooflight? As stated in the title it is the 900 x 600 size so are there any alternatives out there that will fit. I'm not totally averse to replacing it with another Vario 2 (if I can find one!) especially as all the internal fittings/clips are already fitted, but, if there are better options out there please let me know and I'll do some research.
Luckily I've managed to get the rooflight down and clipped closed so it is watertight, therefore I can take a bit of time to ensure I get the best option fitted.
Thanks in advance for any advice and recommendations

 

[Revolvor]

Here is one.

Remis Vario 2 (900 x 600) Rooflight with Winding Handle | Remis Code: 10036788 | Remis REMItop Vario II Rooflights and Spare Parts | Leisureshopdirect

Buy a Remis Vario 2 (900 x 600) Rooflight with Winding Handle | Remis Code: 10036788 | Remis REMItop Vario II Rooflights and Spare Parts | Leisureshopdirect

www.leisureshopdirect.com

 

[Revolvor]

I've just replaced my smaller Remis roof light with a Seitz Mini Heiki for the same reason. The Seitz has a much simpler lifting mechanism. My 600 x 900 Remis is also getting difficult to operate.

 

[Gaz n Debz]

Here is one.

Remis Vario 2 (900 x 600) Rooflight with Winding Handle | Remis Code: 10036788 | Remis REMItop Vario II Rooflights and Spare Parts | Leisureshopdirect

Buy a Remis Vario 2 (900 x 600) Rooflight with Winding Handle | Remis Code: 10036788 | Remis REMItop Vario II Rooflights and Spare Parts | Leisureshopdirect

www.leisureshopdirect.com

Thanks Revolver, I actually found this too after I posted this morning, been doing some research into alternatives but can't seem to find anything so think I may have to bite the bullet and go for one of these again.

 

[Boringfrog]

"A snakes wedding".

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[Gaz n Debz]

I've just replaced my smaller Remis roof light with a Seitz Mini Heiki for the same reason. The Seitz has a much simpler lifting mechanism. My 600 x 900 Remis is also getting difficult to operate.

I've seen some people saying that actually pushing the rooflight up from the inside whilst winding to take pressure off the winding mechanism helps - didn't in my case though.