dump valve problems

[OB]

Hi You all; I need some advice please. I have an 04 36TK3. Have had a problem with the grey water dump valve forever. It appears the routing of the cable makes it do a weird twist, therefore binding the cable in it's sheath.
There appears there is no option to re-route it.

I was considering an electric dump valve, but see folks are even having lots of problems with those.

I hope someone has found a cure for my dump valve problem. How about it, has someone got a cure?

Thanks
OB