You should replace your toilet’s fill valve every four to five years. There should be about 1/2-in. of slack. No, you should turn off the water before replacing a toilet fill valve. To do this, rotate ...

Ideally, the water level in the toilet tank should be 1 to 1.5 inches below the top of the overflow tube (also called an overflow pipe), an open-ended tube centrally located in the tank.

The finished system can be mounted on top of a T-Adapter attached to the overflow pipe in the cistern. The detection level of the water stream sensor enclosed through the top hole of the T-Adapter ...