Ice Maker Parts

Know Your Ice Maker Parts

Ice Maker Parts

A lot goes into making an ice maker. For most of us, we simply add water to the reservoir and, thanks to the miracles of engineering and physics, out comes a fresh batch of ice. However, a lot goes on within the time that your ice maker takes to convert that water to ice.

Since its invention in the 19th century, the ice maker has been responsible for four basic functions: evaporating, condensing, compressing, and throttling. Even today, all commercial and household ice makers perform those essential functions. When one of them fails, they all fail. 

If this sounds more complicated than you thought, you may be interested in learning more about how ice makers work. To do this, you need to know about the various individual ice maker parts and components. Once you are familiar with how each part works and what it does, you will have a better understanding of the ice maker as a mechanical device.

Ready to learn more about ice makers and their components? In this article, our experts will walk you through each part. With this knowledge in hand, you can help prevent your ice maker from breaking and, in time, conduct DIY repairs and general maintenance. This way, you can get more value out of it in the long run.

Basic Principles and Parts

While there are many kinds of ice makers on the market today, they all abide by the same basic principles and contain the same general parts. From industrial ice makers to household countertop units, all ice makers are made from the same universal assembly. Most prominently, they feature a compressor, condenser, and throttle valve.

Once you pour the water into the unit or the unit draws in water, if it is a built-in model, the ice mold inside the unit fills with water. The machine then cools down the unit to freeze the ice. Then, a heater coil heats the mold so the ice cubes can easily come out. It then removes the cubes, and they fall into the bucket. 

When owners understand how their appliances work, their devices tend to last longer. This is because they appreciate the value of the machine and can attend to its needs before serious problems come to a head. If you want to benefit from this knowledge as well, read on and discover all there is to know about ice maker parts.

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Ice Machine Cleaner

Let’s begin by discussing the ice machine cleaner. While not technically a “part” or built-in component of an ice maker, it is certainly among the most important ingredients in building a successful ice maker. Without the ability to properly clean your machine, chances are it won’t last long. Plus, it will start to smell so bad that you will want to get rid of it anyway.

A good ice machine cleaner can be sourced from just about any hardware store or industrial cleaning supplies wholesaler. As a liquid solution, they come in the form of a bottle or gallon jug. Chemically, ice machine cleaners consist of ¾ phosphoric acid, and the remainder is mostly citric acid.

Since this liquid is composed of corrosive acids, you must never allow it to encounter your skin or eyes, nor should it be swallowed. These products must always be handled with care, and you should wear gloves and eye goggles whenever you use them to clean your machine.

How to Use Liquid Ice Machine Cleaner

To make life a bit easier for you, we decided to break down the ice machine cleaning process into simple steps. I mean, we’re dealing with potentially hazardous materials here, so it is always best to err on the side of caution and explain each step thoroughly.

  • Ensure that the machine’s refrigerator is turned off but the pump is left on
  • Drain the entire machine and then refill with water
  • Mix in eight ounces of the liquid cleaner solution with the fresh water
  • Let the liquid cleaner sit in the water for roughly half an hour, adding another dose of cleaner if required
  • Brush the sides and scales of the machine not reached by the solution
  • Drain all liquid in the machine and rinse with fresh water repeatedly
  • Make a few batches of ice, but throw them out

Door Light Switch

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Most high-end ice makers feature a door that swings open. This allows users to easily fill and refill interior water compartments as well as check on the development of the ice as it forms. When the user operates the door, a light will automatically turn on so that the user can see the internal aspects of the ice maker.

The switch is an automated, electronic component of any premium machine. It also has another key function: whenever the light turns on, it causes the unit to switch off. It does tend to burn out from time to time.

If you find that your door switch is beginning to give you trouble or if it starts failing to activate when you operate the door, be sure to act early. If you do not take care of the issue and find a replacement part, you might end up having a unit that will not function properly. With the help of an Ohm meter, you can check to see if the switch is capable of continuity. If not, it’s time for a replacement.

Recirculating Pump

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The recirculating pump is a critical component. If you find that your machine is failing to produce ice and is instead causing water to accumulate and sit, then you may need to replace the recirculation pump. In short, this pump guides water from the reservoir or basin and uses it to fill the evaporator plates. 

Without a functional recirculating pump, there is no way to produce ice because the water would sit in the reservoir. If you find that your water won’t move out of the reservoir, it is likely the pump that is to blame. Luckily for you, it is a small part and an easy fix. With just a slot screwdriver and a half an hour, you can replace the pump with another manufacturer-approved replacement part.

Evaporator Plate

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There are no ice maker parts that are more essential than the evaporator plate. There are also no ice maker parts more expensive, either. This is because this is the tray that the fresh water sits in while it turns into ice. If it weren’t for the evaporator plate, then your ice would come out as one giant brick. And nobody wants that, do they?

It is rare that they break down. On the rare occasions where they do malfunction or break, it usually means that the ice machine has met its fate. In most cases, this means replacing the whole unit. However, there are some manufacturers, such as Hoshizaki, that provide replacement plates. If purchased, they are easy to install.


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There are few ice maker parts more important than the ice machine compressor. These are large parts that are installed to dissipate heat away from the ice machine and to keep it cool. Without the compressor, ice production would be slow, and your machine may even overheat. 

You can think of the compressor as a sort of air conditioner for your ice maker. If your ice maker is failing to cool down to its required temperature, give the compressor a check. In most cases, they look like miniature fans at the top of the system. If it is not spinning properly, then you must replace it.

Ice Maker Replacement

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When all else fails, you might need to replace the ice maker altogether. If you want to be cost-effective, it is always wise to first make sure that you have replaced any implicated ice maker parts. If, after replacement parts, the ice maker still won’t work, then it is time to replace the unit.

To do this, read the user manual that came with your ice maker at the point of purchase. Most reputable brands, such as Scotsman and Ice O Matic, are known for their extended manufacturer warranty. This can make replacement a breeze. Be sure to check out the manual and read the warranty and returns policy carefully.

Ice Maker Parts Wrap Up

That’s all there is to it. While there is no “one size fits all” ice maker, most contain these basic ice maker parts. Now that you understand how each part fits into the machine as a whole, you are better equipped to service it and maintain it, so you can enjoy fresh, crisp ice for many more years to come.

Feature image via google image YouTube

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