Our Aquia Dual Flush Toilet starts running in the middle of the night. We would like to take care of the problem ourselves, without calling a plummer. Please advise.

That would be a leaking flapper valve. They are inexpensive and easy to install. Good luck

I’m happy to help further over the phone at https://www.6ya.com/expert/robert_24775b73ca70da93

Very carefully!!!!!! Why would you take it apart not knowing how to put it back together again?????? Take pictures next time, after you call a plumber to put it back together again Humpty....

water level set to high push botton rods not ajusted rite 5 year warranty on flush valve
1-800-459-4409 service and parts

How to remove lid of a Toto cistern

Adjust the float on the Fluid-master a little higher if possible. This should allow more water to enter the bowl after the flush.

first shut off water and then flush the john. this will remove most of the water. for water remaining in tank us a sponge or similar to remove remaining water. find where toilet bolts to floor and remove these bolts or nuts. then pick whole toilet from floor, there should be a wax ring under toilet, replace wax ring when putting back in. when putting back in just push down on toilet to squish wax ring and bolt to floor, turn on water and check for leaks. good luck

Sounds like your toilet is not vented properly. Possilbly something caught in the trap is causing it to syphon

When you say 10.5 inches from wall, do you mean that from the center of the drain in the floor to the back wall is 10.5 inches? If so, you need a toilet for a "10 inch rough-in" dimension. The Aquia doesn't come in that dimension. Sorry!

Caroma Sydney Smart model 270 comes in a 10 inch rough-in and is a dual flush model. Note that all dual flush toilets are fairly expensive as compared to normal toilets. HOWEVER, genrally speaking, ALL 10 inch rough-in toilets are fairly expensive just because the low volume that are sold.

If this is one of those models that most people have, the valve that shuts the incoming water off when the tank is filled is probably bad. It only costs about 8-10 dollars to replace. This valve is actually a stem or tree shaped device.