: I would like to replace an old toilet with a new Gerber pressure assited toilet. The question I have is since the pressure is built back up after the flush by the water pressure, how much water pressure is required to 'refill' the tank?

: My concern is that I live in a rural area with spring feed water (great stuff) and use a pump to gain pressure. My peak pressure is approx. 50psi so I want to be sure that it will refill the toilet.

Bill,
You will need 20 or more.
It should work fine. Terry

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