[header] How to disconnect a washing machine [title] Turn off the water valves. [step] Valves for the supply of hot and cold water are usually located behind the washing machine and in a washer box attached to the wall. Turn off the valves by turning them clockwise until they cannot be turned any further. 
[substeps] You'll want to turn these off first thing. This will protect you from major spills if you should accidentally tear a hose in step 2.