DreamStation 2 CPAP Humidifier & Parts from Philips

SKU1142832, 1146072, 1146073

Replacement Philips DreamStation 2 humidifier water chamber and replacement parts. Using the humidification with your CPAP machine adds moisture to your air pressure, helping to prevent dryness in your mouth, nose and throat.

You can purchase the chamber with or without the lid or the lid on its own.

Please be aware your water chamber should be replaced every six months or when damage appears.


This product is not eligible for VAT relief.

The price shown includes VAT applied at the UK standard rate of 20%, chargeable on all UK orders. Orders outside of the UK will have the VAT removed during the checkout process.

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DreamStation 2 CPAP Humidifier & Water Chamber Parts

Replacement water chamber and parts for the Philips Respironics DreamStation 2 CPAP Machine.

DreamStation 2 humidifier parts available:

  • DreamStation 2 humidifier water tank with lid
  • DreamStation 2 humidifier water tank without lid
  • DreamStation 2 humidifier water tank lid

To optimise your therapy comfort, add the DreamStation 2 heated tube, found here. The heated tubing keeps your therapy at a constant temperature and prevents condensation in your tube and mask.

Can I use tap water with my humidifier?

You should only use pure distilled water in your DreamStation 2 CPAP; distilled water can be found at your local supermarket.

Distilled water is the best choice of water for CPAP humidifiers because it’s free of minerals and bacteria. Hospitals, labs, and factories often use distilled water instead of tap water because it prevents limescale buildup on devices. Helping your humidifier last longer.

If you use any other water in your humidifier, the contaminants build up on your supplies and damage your CPAP tubing and motor.

How to clean your DreamStation 2 water chamber

To get the most from your humidifier and breathe in healthy air pressure, it is recommended to clean your water chamber daily after use.

The DreamStation 2 water chamber can be cleaned in a dishwasher on the top shelf. However, please use a gentle or light-load wash to prevent damage. After washing, allow the chamber to air dry away from direct sunlight.

When should I replace my DreamStation 2 water chamber?

It is recommended to replace the water chamber every six months. If your water chamber looks discoloured or cracked, it needs to be replaced to ensure you receive clean and healthy air pressure.