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This Machine UI Knob is installed on top of all PR SystemOne CPAP/BiPAP machines. The knob turns the machine on and off and can be used to update and review overall machine setttings.
The SystemOne Machine UI Knob is dark, charcoal gray in color with a silver rim on the top. The sides of the knob flare out slightly and are ridged for easy gripping.
Compatibility Information: This Machine UI Knob comes standard with all SystemOne 60 SERIES CPAP/BiPAP machines. It can also be used to replace the lighter gray Machine UI Knob found on all SystemOne 50 SERIES CPAP/BiPAP machines.
Usage Information: When an old UI Knob is removed or lost a small metal ring from inside of it can sometimes get stuck on your CPAP/BiPAP machine's knob post. If that ring is present the new UI Knob will not fit properly onto the post. To fit the new UI Knob properly remove the metal ring, either from the post or from inside the new knob, before inserting the new UI Knob onto the machine's knob post.
I had dropped my CPAP packing it into a suitcase on a trip. I didn't recognize that the knob was missing until I got home. Looked online and found this company and the correct knob. Had to ask how to know which series machine I had and was able to resolve the question with the online assistant before ordering. Then when the knob came and had the clamping band in the knob, I needed assurance that I could force it out to fit on the post on the machine. Got the needed info within one day. It is all good! Thank you.
By spihlaja, 01-12-2018
Will not fit!!!!!!!!!!!!!!!!!By mrwall48, 01-12-2018
Keeps falling off. Does not in any way lock into place.By rcanterb1, 10-27-2017
Came one day early.
As a previous review stated a metal ring from the old knob had to be removed first. Perfect fit for my cpap machine. By blazer5, 09-18-2017
Fast shipping... Perfect fit... My machine is like new again... Very highly recommended seller... Would buy from them again if need be...By dolusic, 05-17-2017
It did not fit machine, even tho it was supposed to fit. It would have cost too much to return.By mickeyboat, 03-15-2017
Just what I needed. Would have been helpful to know the is a metal piece inside it, as that had remained on my machine and I first thought the knob didn't fit. Easy fix once I figured that out.By vicki_cpa, 02-28-2017
Found this knob online, great price, and easy to order. Great service and fast shipping I will definitely order from here again if I need more productsBy Jim, 11-11-2016
I ORDERED A REPLACEMENT PART FOR MY RESPIRONICS BI-PAP...IT CAME NEW, CLEAN AND WELL PACKAGED....THE SERVICE WAS FAST...3 DAYS START TO FINISH WITH FREE SHIPPING!!!!...THANKS By JIM, 11-05-2016
everything came quickly and in one pieceBy JR, 08-25-2016
I was very happy to find the product and was very pleased with the courteous service and speedy delivery .By Tommy, 06-15-2016
The fitting hole on the underside of the knob cracked ( didn't know how) It kinda still worked , but decided to replace it anyway. Works fine now.By Markg, 02-07-2016
The item fit perfectly and moreover was received promplyBy Bill, 07-02-2015
Excellent Product. Fits my CPAP perfectly.By Steve, 02-05-2015
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