Toilet tank
Each flush of a toilet uses the same amount of water.
A vacuum breaker is a device that prevents water in a toilet cistern or water tank, from syphoning back into the toilet cistern or water tank.
seal to stop water from runing into tank located between tank and bowk
Install a tempering valve in water line feeding toilet. Tempering valve will mix hot and cold water together so warm water fills toilet tank which will stop condensation.
It's the Rubber seal at the bottom of your water tank, when you flush the rubber seal raises and the water flashes your toilet. Generally its black but not always.
NO.
Assuming you have a regular tank toilet with a ball float and rubber flap and that the water is turned on and the tank is filling, the most common cause of a toilet not flushing is a broken or detached chain that runs from the handle lever to te rubber flap that keeps the water in the tank.
If your water comes from a well and you have your own pump and tank. The tank may be waterlogged.
Usually not. If toilet has a mixing valve going to it so warm water fills toilet tank and toilet runs constantly, then enough warm water could leak out through toilet to possibly have an effect on water heater.
The wax ring which seals the toilet to the drain is leaking. turn off water, drain tank by flushing. Disconnect water line. remove tank, unbolt toilet from floor. Remove any old wax from toilet and drain. Replace with new wax ring. Reset toilet and press firmly into place.
The potential energy of the water in the tank.