anybody have any experience with "flushometer" toilets? what diameter cold water pipe is needed? I'm thinking of installing one on the house's lower level.

tnx,

ANY plumber should have experience with them. They "need" at least a 1" water supply line, unless you have room to be "Creative".

I have flushometers in my own home "Sloan Royal"

Ideally you need at least 25 PSI and no less then 1" diameter piping but in some cases such as a Sloan Gem or A Coyne Delany 3.5 GPF you may want to go 11/4 diameter

hello hj, i am in tucson with 3/4" line, excellent pressure, not enough gpm says sloan. I have seen a few of your threads about the accumulator tank or pressure tank work around, I am still unsure of how to select a tank for my purposes and unclear if this is the kind of specialty item I need to order, or can i source locally stocked, RV/boat places? is there any place i online i can see a photo of the work around, I have an amazing plubmer who also thinks this makes sense and is willing to try this, but needs to be right the first time because the house has 1 toilet only. Thank you so much

Any competent plumber can find and install a pressure tank. All well systems use them, set the Psi 2 pounds below the static pressure of the system. If you have a 3/4 line and excellent pressure, you should have no problem with a flushometer, but why do you need a flushometer as your name says? It seems a little commercial for one bathroom in a house.