CPAP machine water tub
Philips DreamStation humidifier water chamber
1122520
Fits 5 models
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GenuineGenuine Philips Respironics
$74.90
Easy CPAP · 2 NovLowest genuine · Easy CPAP · checked 2 Nov
CompatibleCompatible option
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No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Philips Respironics. Compatible: another brand.Genuine is made by Philips Respironics. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $74.90
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Compare 4 sellers
AUD, before delivery. Each price shows when it was checked.
Genuine Philips Respironics
4 sellers
Opens Easy CPAP in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when it is cracked, leaking or damaged; Philips gives no set interval for the DreamStation water tank.
After replacing: No reset: the humidifier has no tank-life counter.
How to change the 1122520 water tub
Watch the guide or follow the steps.
- 1Turn the airflow off, unplug the machine and let the humidifier cool for about 15 minutes.
- 2Slide the humidifier lid release latch toward the machine, lift the lid and swing it fully open.
- 3Grab both sides of the old tank and lift it out.
- 4Fill the new tank on a flat surface with distilled water, no higher than the maximum fill line.
- 5Lower the tank into the humidifier and close the lid until it snaps shut.
Every number this part goes by
- Retail name:
- 1122520
Sellers list any of these; they are the same part.
Will it fit your appliance?
Type your model number and we'll check it against the makers' lists.
Fits these 5 Philips Respironics models
Philips Respironics5 models
Only with the DreamStation heated humidifier (DSXH); machines with an H11 or T11 code came with it.
Common questions
- What does the 1122520 fit?
- The Philips DreamStation humidifier water chamber (part 1122520) fits 5 Philips Respironics models, including the DreamStation Auto BiPAP, DreamStation Auto CPAP and DreamStation BiPAP Pro. Every one is listed on this page.
- Where can I buy the 1122520 in Australia?
- We track 4 Australian sellers for the 1122520; the lowest listed price when we last checked was A$74.90 at Easy CPAP. Prices are re-checked daily and dated on this page.
- How do I fit the 1122520?
- No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A cracked or leaking tub needs replacing; the manual says when to replace it otherwise.
- Is there anything to reset afterwards?
- No reset: the humidifier has no tank-life counter.
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