The Machine Knob UI for Philip Respironics PR Machines is the small, round knob on top of the Philips Respironics PR System One CPAP and BiPAP Machines. This knob turns the machine on and off and is used in setting the machine.
PR System One 50 Series Knob
This item arrived as promised, and is an exact replacement for the original part.
Just had to remove metal clip from old on still on shaft
Great product, easy to get all of, came quickly. Service is better than that of my home health company
It fit perfectly and works fine.
perfect replacement part
I ordered a knob for my cpap. The right one was sent fast.
Fit as produced
Hard to find part
Correct knob but did not fit the male end on machine, Usable but will not stay on ,as knob has a metal insert while the correct does not.
The control knob on my 9-year old Respironics One broke. The replacement knob restored the CPAP machine to its original condition. The new knob slipped right on once I had removed the metal insert that was still on the shaft from the old knob.
Perfect replacemnt for the broken knob on my System Once CPAP machine.
The product is just fine, just like the original knob for my CPAP machine.
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