Is either one of these more reliable than the other? I currently

>>1240767
Do they even make the shit on the left anymore?

>>1240771
Yup. Pics are from Amazon. Britfag so maybe it's different elsewhere. So I assume by your post that right had superseded left?

>>1240772
I just haven't seen the one on the left in decades.

>>1240767
Not really, they're both just valves with arms attached to them, neither one really has any kind of functional benefit over the other. I prefer the ones on the right since they take up less space in the tank it makes things easier to work on.

>>1241003
This.

The right one is the evolution of the left one.

More space efficient. Now, the valve is what really makes a difference. And i haven't see a modern left floater stlye, let alone a modern valve. So I'm not sure.

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>>1240767
Get yourself a quietfill valve like in this pic. While the one on the right in your pic is the evolution of the one on the left, this one is the evolution of the one on the right.

Also it's completely made out of plastic so it will last pretty much forever.

I've always been a fan of the old fashioned ballcock valve. Firstly, it's called a ballcock valve. Second, there's no plastic slide and fiddly plastic pivot to get gummed up by hard water. Need to adjust the water level? Bend the rod.

Internally, the valves are very similar. The ballcock's main advantage is that the only parts suspended in the water are the end of the ball, and the stem.

>>1241087
Fuck that, get the fastest one available, loud or quiet. Sometimes you need 4 or 5 flushes to dunk a king Kong finger, waiting around gets real tedious.

>>1241091
>The ballcock's main advantage is that the only parts suspended in the water are the end of the ball, and the stem

The stem and the float are the only things that touch the water in all three designs.

>>1241087
Nope, get the fliudmaster.
You can get quiet or fast ones, and some come with both baffles at the inlet and adjustable clamps to limit the fill tube hose flow.
Those korkys don't fail gracefully or quietly. I see them stuck half open, or rattling whole houses with hammer when they are dying.
The fluidmasters just start to fill slower, keep a trickle, or fill with a low whistle when they are on the way out.