Why Won’t My New CPAP Mask Connect to My Tube?

We receive calls on an almost daily basis from people who find that their new cpap masks will not connect to their tubing correctly. In this video, Chris discusses a common problem that many people do not realize is affecting their tube (and how to fix it).

In many cases, the swivel piece that belongs to your old mask becomes (sometimes very firmly) stuck in your tube, which means your new mask will not slide into place correctly. Some customers have had to tug the swivel piece out from the end of their tube with pliers! (We recommend replacing your tube every six months to avoid issues like this and other issues involving bacteria and build-up).

If you’re experiencing issues connecting new CPAP masks to your machine and you need our assistance, please email or call us. We will be happy to help you!

Chris Vasta


Chris Vasta

Over a 10+ year career at PHH Mortgage managing a $100 million portfolio, Chris Vasta learned the ins and outs of the business world. He learned how to establish business relationships, lead a multi-prong team, and implement strategies for long-term growth. In 2007, Vasta used that experience to transition his role into president of The CPAP Shop. Over his tenure, Vasta has been involved in everything from website design to warehouse layout. His hands-on approach with customers has evolved into an in-depth understanding of the challenges of beginning and adhering to sleep therapy. He often provides his insights on product…

46 Comments Leave new

  • Nicole

    Thank you!! You just saved me so much frustration. This was exactly my problem.

  • John Kuykendall

    Problem that i am having is i got a new dreamware mask to wear, and i have an airsense 10 cpap with heated tubing. I can fit the mask connector to the tubing but is loose and can slide out if i put some pressure (not very much pressure actually) to it. It’s almost like the mask connector needs to be just a little bit bigger in diameter to fit the heated tube. Has anybody else had that problem?

  • Kerry

    I like the AirFit10 Nasal/Pillow. But my new CPAP uses a heated tube and the tube and mask do not fit. What’s the fix? More specifically: I have an AirSense 10 Respond CPAP, ResMed ClimateLine Air Heated CPAP Tubing and I want to use the AirFit10 Nasal/Pillow mask – but I can’t get the mask to fit the tubing. Help?

  • Berniece DiValentino

    I have a Dreamstation Philips Respironics machine and HT15 tubing. I just bought a ResMed AirFit F20 but the end of the tubing doesn’t fit the new mask.

    • Andrew Rivenbark

      Berniece, it could be that the mask adapter from your old mask is still inside of the tube. Double check to make sure there is nothing in the tube, and ensure that the proper end of the heated tube is connected to the machine. If you are still having issues, don’t hesitate to give us a call at 866-414-9700 so we can help you troubleshoot!

  • Don Kelley

    Brilliant! Thank you! Went from philips to resmed airfit f30. Didn’t fit until I found that the ridged clip for the old philips mask had to be taken off and put on the end of the tube, which then fit onto the resmed using good tight friction fit just perfectly!


  • Tricia Ladenburg

    So not true, my mask will not connect

    • Chris Vasta

      Hi Tricia, if you can let us know which machine and mask you have we should be able to help you! Or you can call us at 866-414-9700 for assistance. We are open Monday – Friday from 8:30 – 6:30 EST and Saturdays from 10 – 4 EST. Thank you


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