Originally Posted by 44'cruisingcat
With that set-up you could do some serious damage if you forget for long enough.
Serious damage as in sinking, if the automatic bilge
pumps aren't switched on, are non-functional, or can't keep up.
That's not a rookie mistake. It can, and will happen, inevitably, to anyone, no matter how experienced. That's bad design of the system. It's important to understand the difference.
I would really urge you to update that system, with a standard deck
filler. If that's not practical for some reason, then I would suggest that you have a rigid policy of never stepping away, even for a second, while the tank is filling. Otherwise you are really asking for trouble.