Thank you all, I have never heard of rainout before but I believe you are correct. I can implement some solutions now that I know what the issue is. Much appreciated!

I replaced the hose with a brand new one and the problem remained so that doesn't appear to be the issue.

Hi, my Resmed Air Curve 10 that I've had since June of 2019 has recently started making a popping sound. It usually occurs once every time I exhale and once every time I inhale. The machine was covered under Medicare but my provider told me I will have to cover any cost of repairs as the machine is ...