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To answer my own question, I have found a seam ripper works well for a metal brushroll. Sadly, the "lifetime" belt is about to go soon and it's only been a month.

Circuit board connected to hall sensor failed already. (Blinking red light, no circuit breaker on this model.) The shop was really fast, I told them I looked for blockage and checked the fan before coming in. They swapped out the circuit board in 5 minutes and I was on my way. Almost want...

I purchased the ZM-700 before dysonman1's response. I took in samples of our carpet and tested the hall sensor and checked out everything about the machine. But now I'm worried, maybe I should have gone with the wooden brushroll and regular belts. I did find out the metal brushroll is hollow...

CleanMax is the commercial version of the SupraLite (and former Simplicity Freedom) vacuums. So I know about the warranty situation, but I was curious about other differences. Here is the pricing of similar models at my local shop. R10E $300 ZM-200 $280 R10S $500 ZM-500 $330 R10P $800 ZM-700...

I wanted to give an update on this situation. The XL-21 wasn't very easy to find used at a reasonable price. The vacuum is lightweight, built well, but you have to be an enthusiast to maintain it. I didn't want to always be "on call", so I went looking for alternatives that have local...

Do the Riccar/Simplicity have manual height adjustment like Kirby, or no adjustment like Oreck?

Appreciate the passionate responses.

I am looking at used 10 year old vacuums. Are those still not up to previous quality from 2 decades ago?

If the choices are limited to Oreck upright vacuums only, which would be better for the following: 5000sqft medium pile carpet vacuumed daily Additional 4000sqft low pile carpet (rolled out, not fixed carpet) vacuumed weekly Quality of vacuuming should be like at home I am looking at home...

Thanks for your honest reply, dysonman1. It helps to understand the perspective of a shop owner.

Is there such a thing? I am trying to find the right vacuum or vacuums for a large non-profit. There are many different variables and I would like to try out different commercial and non-commercial vacuums for a day and see what works best. There is a lot of conflicting information, and I...

Update, 4 years later I ended up purchasing a used Kirby on eBay and love it. It hasn't given me any trouble in almost 4 years. For hardwood, I use the floor attachment that came with our old Dyson DC14. I've been using a cordless V8 Animal daily for a couple weeks now (at someone else's...

What personally tripped me up the most was thinking of airflow, agitation, and suction as independent entities, when really all three are working together. And depending on context, a term like "agitation" can include: suction lifting the carpet, the brushroll hitting the tips of the carpet...

Summary of what I have learned Thank you everyone for the education. Here is a summary: Fan placement matters for airflow. The longer and more crooked the path, the less the airflow. In a well sealed system, however, suction is not affected by fan placement. Vacuum fans are driven by...

I remember first time I read that on Wikipedia, the term "fluid" threw me for a loop. I had forgotten the scientific definition of a fluid. As far as Kirby vacuums exhausting unfiltered (carbon-containing) air used to cool the motor, how about when the air is brought in? Is it filtered as it...

I'm not the sharpest tool in the shed. I am not confused about suction and airflow any longer. Before I conflated suction and airflow to mean the same thing. From the videos and explanations, I could clearly see these were different, yet complimentary, things. Airflow was easy for me to...

Airflow, agitation, suction To a novice like me, suction seems like the most important. Even after developing a (basic) understanding of suction, I am surprised it's third on the list for deep cleaning, after airflow and agitation. I am not doubting it at all, but I am looking for more...

Ok, so the length of the hose *does* affect suction? I thought as long as the system is sealed, suction should not be affected by the hose length. Another hurdle for me is to understand why, even with a dirty filter, I don't get loss of suction with my current bypass. Is it the nature of...

Let's take it one step back. For me it's easy to understand airflow. Fan moves, generates airflow. Bends reduce airflow. However, what is generating suction? Is it also the fan? Some other part of the design? I have a notion that for suction, it doesn't matter how long the path is, or how...

And where could I find an explanations on the importance of suction? I've read and seen so many explanations on the importance of airflow, but nothing that gives suction the spotlight. After all, suction does still matter. Sort of like an idiot's guide to understanding static pressure. How...