Philips 1003756 Respironics M Series Universal Water Chamber Kit for CPAP Machine Heated Humidifier

Philips 1003756 Respironics M Series Universal Water Chamber Kit for CPAP Machine Heated Humidifier

• Model: 1003756
• Rev. 00

Contents:

• (1) Water Chamber
• (1) R2 Lid
• (1) R3 Lid

The Philips Respironics 1003756 Universal Water Chamber Kit is a replacement humidifier water chamber system designed for use with the M-Series line of CPAP and BiPAP machines. Because there are two lid styles (R2 and R3) used in the M-Series humidifiers, this kit includes a universal base plus both lid styles so it can adapt to whichever variant your machine uses. This flexibility helps reduce confusion—or the need to order the wrong chamber variation—when servicing or replacing humidifier parts.

When installed, the water chamber sits within the humidifier section of the CPAP / BiPAP device, holding distilled water for humidification of the airflow delivered to the patient. The chamber’s design helps ensure a good seal and minimize leaks when the lid is properly matched and seated. Over time, mineral deposits from water (especially if non-distilled water is used) or wear on the seals can reduce effectiveness, so periodic replacement is recommended. The inclusion of both lid types means that if your humidifier’s configuration changes or you swap between machines, the same kit can still be used.

Because this part is now considered discontinued, availability may be limited and used or aftermarket variants may be encountered. When obtaining a replacement, it’s important to verify that the chamber fits tightly and that the correct lid style (R2 or R3) is used, as mismatches can lead to leaking or poor humidification performance. Also, regular cleaning and the use of distilled water are key to extending the life of the chamber and maintaining consistent humidity delivery.