Why are the overflow holes in a bath not big enough to cope with the taps on full blast?

Question by johnstonemac: Why are the overflow holes in a bath not big enough to cope with the taps on full blast?

I’ve never done it-I just thought this must be a design fault.
I’m a bit thick.

Best answer:

Answer by jay p
the overflow drain works on gravity ( it’s realy a vent for the drain) but your fawcet is under pressure. if you hooked the fawcet directly to the drain it would flow fine.but it isn’t so it don’t. just the way it is. good question, you are thinking.

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