AH HA !!!! Did some more digging up and found this:

All models are electrically reversible and include 2-1/4" resilient rings for base mounting.

SO I guess I'm not base mounting, so I can go without them

I thought that at first too. But just like on the back of the motor it covers nothing important at all. pulls on/off with little to no effort, and as you can see from the back casting when it's on it's "just there". The ONLY thing I could think of why it would be on the front would be if s...

Intertherm MGHA-090ABPQ-01 Came home today and heard a rattling noise comming the the blower. I pulled the blower off and I beleive I found the problem but I need some more info. Between the cage and the motor there was a black ring that was just rattling around. There is also ( Looks the same ) rin...