What tells a washing machine to stop filling with water?

your air chamber is blocked with gunk or the hose is split

CK
March 2013

its called a pressure switch water enters a pressure chamber that pushes air up a tube that is connected to the pressure switch,when water level is ok the switch closes and tell the timer to move of the fill cycle ,this causes the motor to run and the heater to engage the pressure switch is normaly fitted to the side of the casing of the machine,either at the front or back of the machine,its a round unit with a tube fixed to it

mm
March 2013