Buying a used CPAP machine – technically tested

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Currently available CPAP devices

• ResMed AirSense 10 AutoSet – new motor + humidifier – automatic CPAP with integrated humidifier.
• ResMed AirSense 10 AutoSet – new motor + nasal pillow mask – approx. 900 operating hours.
• ResMed AirSense 10 AutoSet + humidifier – tested device with water tub.
• ResMed AirSense 10 AutoSet (used) – tested, max. 2,500 operating hours.
• ResMed S9 Escape – fixed-pressure CPAP, tested, 7,000 operating hours.
• Philips DreamStation Auto CPAP – auto-CPAP from Philips Respironics.

All CPAP devices in the shop → · Model pages: used ResMed AirSense 10, used ResMed AirCurve 10

What does “technically tested” mean?

This is how we test and reprocess every used device:

• Device record: serial number, hardware and software version, firmware, operating hours and condition before and after service – documented in our workshop system.
• Function test: blower, pressure build-up and sensors; display, controls, error log and hour counter.
• Pressure and flow: measured with a manometer and flow meter – the device must be within the permitted range.
• Vibration and noise: check of vibration level, flow/turbulence noise and mechanical running noise of the blower and the whole device.
• Air path (manifold): cleaned with alcohol and treated with UV light; hard-to-reach air channels are cleaned with steam pressure.
• Blower motor: thoroughly cleaned using our own process – dust-free and without cigarette odour – followed by UV treatment.
• Heater plate: the stainless-steel heater plate is cleaned and polished.
• Housing: cleaned, painted and polished.
• Seal: closed with our guarantee seal.
• Hardware: if necessary we replace the blower (motor), electronic or sensor components.
• On request (extra charge): acoustic optimisation – damping of vibration and operating noise with non-invasive methods, e.g. dampers.

If the guarantee seal is removed or the device is opened by third parties, our voluntary guarantee lapses. Your statutory warranty rights remain unaffected.

What to look for when buying a used CPAP

• Operating hours: show how heavily the device has been used. We state them in the shop or on request.
• Motor / blower: the most important wear part. Devices with a new motor are especially popular.
• Humidifier & accessories: water tub, tubing, power supply and mask should fit and be hygienic. We always recommend new masks and tubing.
• Medical settings: your therapy pressure is set by your doctor. We help with operation but never change therapy without a prescription.

Frequently asked questions

We do not replace medical advice. Only change therapy pressure and settings as prescribed by your doctor.