ResMed S9 Power Adapter

The 30W power supply is designed for use with the ResMed S9 Series MACHINE ONLY and does not support H5i™ Heated Humidifier.  If you try to power both the machine and heated humidifier with the 30W power supply, you could potentially damage the machine or power supply.The power supply can power any of the S9 CPAP or VPAP™ machines as long as they are without humidification.Use the 90W Power Supply to power both the CPAP or VPAP™ Machine as well as the H5i™ Heated Humidifier together.