Replacement water chamber for Philips DreamStation (original/DS1) heated humidifiers.

Not compatible with DreamStation 2 or DreamStation Go.

Why replace? Minerals and heat gradually cloud, pit, or warp the tank, which can lead to leaks, odors, and unstable humidity.

Care tips

• Empty and air‑dry daily; use distilled water to reduce mineral scale.

• Weekly: wash with warm water and a mild detergent; rinse thoroughly and air‑dry away from heat/sunlight.

• Do not use bleach, alcohol, vinegar soaks, or abrasives.

What’s included

• 1× Water chamber – 1122520 (complete tank assembly). No tubing, filters, or other parts included.

Part number

• 1122520

Suggested replacement cadence: every 6–12 months, or sooner if cloudy, cracked, or leaking.