Protecting your pressure washer from freezing will give you years of trouble free service and prevent potentially costly repairs. You can never evacuate all water from a pressure washer so it if freezes because it isn't stored in a heated location it could do damage to the pump. To prevent freezing you need to winterizing the pressure washer. See the steps below to prepare your pressure washer for winter storage. Please feel free to call to give us a call with any questions or help with these steps. WINTERIZING PRESSURE WASHER 1. Get a jug of windshield washer fluid rated for below freezing temperatures or RV antifreeze 2. You will need a short piece of garden hose about 2-3 foot long with end to attach to pressure washer at garden hose connection 3. Hook up pressure washer like you would if you were washing but with short garden hose in the jug of windshield washer fluid 4. Start pressure washer and pull trigger gun, squeeze trigger a few times to insure fluid is throughout all valves in pump. 5. You may or may not use whole jug of fluid 6. Turn off pressure washer and unhook all hoses for long term or winter storage.  Note: You may see some slight drainage after your hoses are disconnected but don't worry the internal components will hold the washer fluid or antifreeze and are now winterized.