Manitowoc Dump Valves - When to Change? September 18 2014, 3 Comments

Manitowoc dump valves come in only 2 different types, a 115v and a 208-230v.  This makes keeping a spare part on hand easier, limiting the amount of stock.  In addition, it makes it easy to know which ice machine part your maker needs, since we only need to identify if you have a 115v ice machine or a 208v machine.  But let's look at why it may be necessary to replace a dump valve on a Manitowoc.

Typically, a dump valve requires replacement if you have a blown fuse.  What happens is that the top of the valve will leak, causing an electrical short.  This blows the fuse on your control board and can only be fixed by replacing the dump valve.  A valve leaking bad enough to cause an electrical short will be obvious, as you will see water spurting from the top of the valve and usually a large amount of calcium build up.  The calcium build up will look similar to the corrosion on a battery terminal in your car.