Philips PR System One CPAP Machine Knob
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Philips PR System One CPAP Machine Knob

Model: 1099581, 1064787
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Replacement Machine Knob

This is a replacement knob for your Phillips Respironics CPAP machine. Customers have the option of selecting either the knob for 50 series devices, or the one for the more common 60 series machines. The Machine Knobs are slightly different: each turns their machine on, and is used for adjusting the device's settings, but they are not interchangeable.

PR System One 60 Series Knob

This particular knob is dark gray and features a silver inlay around the rim of the knob. The sides are flared out, and have soft ridges that offer users a good, comfortable grip.

PR System One 50 Series Knob

The knob for the PR System One 50 Series machines is composed of a medium gray color, and there's a clear, plastic rim around the knob's edge. The sides are straight up and down and are completely smooth.

Connecting the Knob

Connecting your new knob to the machine is easy and should take just a second.

Key Features

  • Knob for 50 Series, 60 Series Machines
  • Easy Replacement
  • Turns On, Adjusts Machine

Reviewers Tip:

Sometimes the metal ring inside of the knob connection can get separated and left on the knob post of your machine. If this is the case for you, you'll need to remove either the old ring from the knob post, or the ring from your new knob.

Respironics 560 CPAP Machine


Does this function as a knob or a button?


Will this knob work with other CPAP devices from other manufacturers?

The Knob is intended for use with 50 and 60 series machines only. It is not compatible with other Respironics machines, or models from other manufacturers.



Available Accessories

Model 1099581, 1064787
HCPCS Code E1399
Danny I 03/05/2019
5 of 5 Stars!

I'm glad to find parts for my machine. I have been needing a program knob for a while. Works great.

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