Wow! Thank you both for such prompt responses. I have the S9 AutoSet, use SlimLine tubing, Swift FX for Her nose pillows, but don't know what the EPR is. How can I find that info? Each morning I check my readout and my mask fit is always good. My AHI is usually under 1.0. I don't believe I'm breathi...

I hope you might be able to provide some insight to my problem. I was diagnosed with sleep apnea/insomnia a year and a half ago and have been using a CPAP-Res Med S9. For the first ten months the machine worked well, mechanically, but then started overheating. It was replaced last November. From Dec...