A loose nozzle can become a projectile, which can eventually damage property or even injure people. For example, imagine washing your car with the pressure washer. The nozzle was loose and it flew off the wand hitting your windshield. This is really not a pretty sight so always make sure that the connections are tight and secure. From time to time, you may also want to take the pressure washer to a nearby service center. The professionals here will be able to look closer in to the pressure washer and see if there are anything that needs to be replaced, such as gaskets and other components. Doing these things will help keep your pressure washer in good and working condition. However, if you need a pressure washer for heavy duty cleaning, then it is highly recommended that you get a hot water pressure washer. Hot water pressure washer will enable you clean a lot more efficiently and at a faster rate. There are so many advantages of hot water pressure washer over conventional cold water pressure washer. However, if you are planning to use the machine for heavy duty cleaning, such as cleaning a building s concrete wall or to get rid of grease and grime stuck on your garage s floor, the heavy duty pressure washer would be your best choice. Another factor that you have to consider is if you need a cold water or hot water unit. So, here are some of the safety precautions that you need to take whenever you operate a pressure washer. By keeping these safety precautions in mind, you can be sure that you will be able to avoid damaging properties or getting you or other people injured by it. Before you operate the machine, make sure that you check everything in the machine. However, if it is not, you might want to consider buying the accessories yourself. You have to get extension wands in order for you to reach high places, water brooms to clean large flat areas, and different types of nozzles that you can attach to the wand. The last step is to compare the price for the pressure washers you plan on buying.