Thanks to all that responded so amazingly quick! I tear into my machine tomorrow and look around very closely. Thanks again!

Hello all! I just found this site and I hope someone can be of help for my situation. I have a Respironics REMstar Auto C-Flex #1017453 that I've had for a number of years (built in '06) and it has performed well. If you want to avoid reading all of the long-winded explanation of my problem and can ...