: : I either change the Smart Valve to a Fluidmaster immediately or wait until it breaks, which is usually within a year.

: Thanks. Forgive my ignorance -- I'm an amateur -- but am I likely to encounter any problems making the change? Anything I should watch out for?

The Fluidmaster comes with nice instructions.
Don't let the black rubber hose for the overflow extend into it. Too low, and it will siphon water from the tank. Terry

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