When it comes to commercial kitchens, you do not want to have any issues with your dishwashers. A dishwasher plays an important role in the activities of such an establishment. You cannot be expected to continue serving clients if you do not have clean dishes. You will need to get the repair services in quickly to come to fix it. It is possible they can fix it in time, or they may suggest you get another one. The latter option may not make much sense, since you cannot be sure it will not wind up where the current one is. You, therefore, need to know how to buy the machine with the right parts in it.
The first thing to do is stay away from those that have plastic parts in them. You may hear claims of long operation hours, but plastic will not withstand hat a commercial kitchen dishwasher has to go through. They shall not live through the many cycles of high temperatures that the dishwashers normally operate at. The best a machine with plastic components can do is serve in domestic settings.
You need to buy one with stainless steel parts. This one shall withstand as many operation cycles as possible without any of its parts giving in to the high temperatures. This also takes a longer time for the limescale to build up in it. In case it manages to, cleaning it off with chemicals will be an easy process.
You also need to see where the machine was made. You need to aim to get one made by the best manufacturers in the business. Acquiring high-quality stainless steel should not be a problem for them. This is how you know they shall be making high-quality parts and a fine assembly job, all at best possible price. A simple way to go about it would be to look at the most famous brands in the market known for their stainless steel components. IT is possible to find other manufacturers that are not as well-known but who still make theirs using stainless steel. You can find out more about them and see if they have something that is right for you.
The warranties that accompany the machines and the parts are something you also need to watch out for. The longer the warranty period, the more comfortable you shall be with that purchase. You, therefore, need to aim for those that offer long periods of warranties. You also need to find it easy getting in touch with them when there is an issue. If the supplied customer care numbers are not working properly, you cannot trust they will do a good job with your machine. You need one that shall be there for you when there is a problem.