How to select the correct rotation for your single inlet blower wheel

Posted by Lynn Dreisilker on Oct 27th 2022

How to select the correct rotation for your single inlet blower wheel

Understand how to look at a single inlet blower wheel and what direct it is rotating in.

How do I determine if I'm looking at the opened or closed angle of a single inlet blower wheel?

It's very simple to figure out which side of the single inlet blower wheel that you are looking at. Below we have provided 2 pictures to show you the difference. It's important to note, that most blower wheels on our site are shown from the opened end.

Here's the opened end
of a single inlet blower wheel:
Here's the closed end
of a single inlet blower wheel:
Opened end rotation of a single inlet blower wheel

Closed end rotation of a single inlet blower wheel

An example of how to determine the rotation of a single inlet blower wheel: 

Now that we know which side that we are looking at, it's very simple to figure out the rotation. For our 2 main single inlet blower wheel brands, Fasco and Lau, the rotation is marked in the title of the product page. Below is an example below of the title for a single inlet blower wheel:


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As you can see, the Fasco 1-6044 states that it is a CW (clockwise) rotation blower wheel. Now that we know what the manufacturer states is the rotation, it's important to know which angle is associated with this rotation. In the 'Example Rotation Guide' below, you can see that the manufacturer deems the closed end is clockwise. This means that this single inlet blower wheel is counter clock wise from the opened end. 

clockwise rotation guideline for single inlet blower wheel

But what if you need a counter clockwise single inlet blower wheel? 

No worries, below is an example of a single inlet blower wheel which is counter clockwise.


counter clockwise rotation guideline for single inlet blower wheel

Can you reach out to us to help you select the proper single inlet blower wheel? 

Of course! The motor experts are more than happy to help. Reach out to us via the form below, chat with us, or give us a call!

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