ResMed

ResMed AirSense 11 CPAP HumidAir Humidifier

£52.99
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ResMed

ResMed AirSense 11 CPAP HumidAir Humidifier

ResMed AirSense 11 CPAP HumidAir Humidifier

Regular price £52.99 with VAT Relief
Sale price £52.99 Regular price £60.80 with VAT Relief
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Shipping policy

🚚 Fast, Reliable & Fully Tracked Shipping

Every order is dispatched using Royal Mail Tracked 24 or an equivalent fully tracked service, giving you a real-time tracking link so you can follow your delivery every step of the way.

Destination Estimated Delivery Tracking
🇬🇧 United Kingdom Next Working Day* ✅ Included
🇪🇺 Europe 2–3 Working Days ✅ Included
🌍 Rest of the World 7–10 Working Days ✅ Included

*Next working day delivery applies to eligible UK orders placed before our daily dispatch cut-off time. Delivery times are estimates and may occasionally be affected by courier delays, weather, public holidays, or other circumstances beyond our control.


1. Order Processing

We aim to process and dispatch all orders as quickly as possible.

  • Orders are processed on UK business days (Monday to Saturday, excluding public holidays).
  • Orders placed before 12:00 PM (UK time) are typically dispatched the same business day.
  • Orders placed after the cut-off time, or on Sundays and public holidays, will be processed on the next business day.
  • Once your order has been dispatched, you will receive a shipping confirmation email with tracking information.

2. UK Delivery

We offer FREE tracked delivery on all UK orders.

  • FREE standard tracked delivery on every UK order.
  • Orders are shipped using Royal Mail Tracked 24 or an equivalent tracked courier service.
  • Most UK orders are delivered on the next working day after dispatch.
  • Deliveries are made Monday to Saturday (excluding public holidays).
  • Full tracking details are provided once your order has been dispatched.

While the vast majority of UK deliveries arrive the next working day, delivery times are estimates and may occasionally take 1–2 working days due to courier delays, adverse weather, remote locations, or peak seasonal demand.


3. International Delivery

Europe

Most orders delivered within Europe arrive within 2–3 working days after dispatch using trusted international courier partners.

Rest of the World

Most international orders outside Europe are delivered within 7–10 working days after dispatch.

Please note:

  • Shipping costs are calculated and displayed at checkout.
  • All international shipments include tracking where available.
  • Delivery estimates may vary depending on customs processing and the destination country.

Customs, Duties & Taxes

International orders may be subject to import duties, VAT, taxes, or customs clearance fees imposed by the destination country.

  • These charges are not included in our product prices or shipping fees.
  • Any applicable customs charges are the responsibility of the recipient.
  • Customs authorities or courier companies may require payment before delivery.

If a shipment is delayed, refused, abandoned, or returned due to unpaid customs charges or failure to cooperate with customs authorities, shipping charges and any associated costs are non-refundable.


4. Delivery Restrictions

  • We do not deliver to PO Box or BFPO addresses.
  • Certain products may require additional verification before dispatch to comply with applicable regulations.
  • Orders may be delayed if additional verification is required.

5. Delivery Issues

If your order is delayed, missing, damaged, or incomplete, please contact us as soon as possible.

To help us resolve your issue quickly, please include:

  • Your order number.
  • A description of the issue.
  • Photographs of any damaged items or packaging (where applicable).

We will work closely with our courier partners to investigate and resolve delivery issues as quickly as possible.


6. Contact Us

If you have any questions about shipping, delivery times, or tracking, please contact us:

📧 contact@cpapsavers.com

🕘 Monday to Friday, 9:00 AM – 5:00 PM (UK time)

 


Last updated: 28 April 2026

This Shipping Policy explains how CPAP Savers processes, dispatches, and delivers orders within the United Kingdom and internationally.

By placing an order with us, you agree to the terms outlined below.

Refund policy

💙 Shop With Complete Confidence

At CPAP Savers, we're committed to making your shopping experience simple, secure, and worry-free. If there's ever an issue with your order, our friendly UK support team is here to help.

Returns at a Glance

Situation What Happens?
✅ Unused & unopened item 30-day hassle-free returns
✅ Faulty or damaged item Free replacement or full refund
✅ Wrong item received We'll fix it at no cost to you
✅ Tracked support We're here every step of the way

Buy with confidence: If we've made a mistake or your item arrives damaged or faulty, we'll make it right with a replacement or full refund.


Last updated: 14 July 2026


1. Change-of-Mind Returns

If you've changed your mind, you may return eligible items within 30 days of delivery.

To qualify for a refund:

  • The item must be unused, unopened, and in its original sealed packaging.
  • Products must be in a condition suitable for resale.
  • Original delivery charges are non-refundable.
  • Return postage is the customer's responsibility.
  • We recommend using a tracked delivery service and keeping proof of postage.
  • Once your return has been received and inspected, refunds are processed within 10 working days to your original payment method.

Returns requested after 30 days cannot be accepted unless the item is faulty and covered by the manufacturer's warranty.


2. Faulty, Damaged or Incorrect Orders

If something isn't right with your order, please contact us within 7 days of delivery.

This includes:

  • Items damaged during transit
  • Incorrect products received
  • Manufacturing defects

In these situations, we'll arrange either:

  • A free replacement, or
  • A full refund

We'll also cover reasonable return postage costs, and where applicable, refund the original delivery charges.

If a fault develops after 30 days, your product may still be covered by the manufacturer's warranty. We'll gladly assist you with the warranty process wherever possible.


3. Hygiene & Medical Safety

For the safety of all customers, certain medical products cannot be returned once opened unless they are confirmed to be faulty.

This includes (but is not limited to):

  • CPAP Machines
  • CPAP Masks & cushions
  • Tubing and hoses
  • Filters
  • Humidifier chambers
  • Nasal or oral interface components

These restrictions comply with UK consumer hygiene regulations.


4. How to Arrange a Return

To request a return:

  1. Email contact@cpapsavers.com with your order number and reason for return.
  2. We'll confirm whether your return is eligible.
  3. We'll provide return instructions.
  4. Return the item with all original packaging, accessories, and manuals.
  5. Once inspected, your refund will be issued to your original payment method.

5. Items That Cannot Be Returned

Unless faulty, the following items cannot be returned:

  • Opened or used prescription medical devices (including CPAP machines)
  • Opened CPAP masks and hygiene-sensitive products
  • Opened consumables such as filters or straps
  • Clearance or final-sale items
  • Ex-display or refurbished products sold as final sale

6. International Returns

Eligible international returns are accepted.

Please note:

  • Return shipping costs are the customer's responsibility unless the item is faulty or incorrect.
  • Import duties, customs fees, and taxes are non-refundable.
  • Refunds are processed once the returned goods have been received and inspected.

7. Returns & Refund Summary

Situation Return Accepted? Refund / Replacement Conditions
Unused & unopened item ✅ Yes ✅ Full refund Within 30 days in original sealed packaging
Opened but unused item ⚠️ Case by case ⚠️ Partial refund or store credit Subject to hygiene inspection
Used mask, tubing or hygiene products ❌ No ❌ Not eligible UK hygiene regulations apply
Faulty or defective product ✅ Yes ✅ Full refund or replacement Report within 7 days where possible
Wrong item received ✅ Yes ✅ Full refund or replacement We cover return shipping
Damaged during delivery ✅ Yes ✅ Full refund or replacement Contact us promptly with photos if possible
Change of mind ✅ Yes ✅ Refund Item must remain unopened and unused

8. Contact Us

If you need help with a return or refund, our support team is happy to help.

📧 contact@cpapsavers.com

🕘 Monday to Friday, 9:00 AM – 5:00 PM (UK time)

Description

ResMed

Genuine ResMed HumidAir™ Water Chamber for AirSense™ 11

📦 What's Included

  • 1 × Genuine ResMed HumidAir™ Water Chamber for AirSense™ 11

Original Replacement Water Tub for the ResMed AirSense™ 11 Humidification System

The Genuine ResMed HumidAir™ Water Chamber for AirSense™ 11 is an original replacement water tub designed exclusively for use with the ResMed AirSense™ 11 CPAP machine. It works with the integrated HumidAir™ humidification system to deliver consistent moisture during CPAP therapy, helping enhance comfort throughout the night.

Manufactured to ResMed's original specifications, this replacement water chamber provides a secure fit, reliable performance, and simple installation. The removable design makes it easy to fill, empty, and clean as part of your regular CPAP maintenance routine.

Ideal for replacing a worn or damaged chamber, this genuine ResMed accessory helps maintain the performance and hygiene of your AirSense™ 11 therapy system.

Please Note: This is a replacement water chamber only. The AirSense™ 11 CPAP machine and HumidAir™ humidifier unit are NOT included. This chamber is designed exclusively for the AirSense™ 11 series and will not fit AirSense™ 10 or AirCurve™ devices.
Genuine ResMed Replacement Part
Manufactured to ResMed's original specifications for a secure fit and reliable performance, not a third-party alternative.
Consistent Humidification
Works with the integrated HumidAir™ system to deliver steady moisture throughout the night for more comfortable therapy.
Easy to Fill, Empty & Clean
The removable design slots into your daily maintenance routine and installs again in seconds.
Durable, Leak-Resistant Build
Medical-grade construction stands up to everyday use and regular washing, helping maintain hygiene over time.

Key Features

Genuine ResMed Replacement Water Chamber — An original ResMed part built to factory specifications.
Designed Exclusively for the AirSense™ 11 — Engineered for a secure, precise fit.
Works with the HumidAir™ System — Compatible with the integrated humidification system.
Easy to Remove, Refill & Clean — Simple daily maintenance with a fully removable design.
Durable Medical-Grade Construction — Built to withstand repeated cleaning and daily use.
Leak-Resistant Design — Dependable performance night after night.
Quick, Simple Installation — Slots straight into your AirSense™ 11 with no tools required.
Maintains Effective Humidification — Restores performance when your original chamber is worn.

Compatibility Guide

Compatible With
  • ResMed AirSense™ 11 AutoSet
  • ResMed AirSense™ 11 Elite
Not Compatible With
  • ResMed AirSense™ 10
  • ResMed AirCurve™ Series
  • Other ResMed CPAP Devices

Product Specifications

Specification Details
Product Type Replacement Water Chamber
Brand ResMed
Compatibility ResMed AirSense™ 11 Series
Material Medical-Grade Plastic
Reusable Yes
Genuine ResMed Product Yes
Recommended Replacement Every 6–12 Months, or Sooner if Worn
CPAP Machine Not Included — Sold Separately

🧼 Cleaning & Care

To help maximise the life of your water chamber:

  • Use distilled water where recommended to help reduce mineral build-up.
  • Empty any remaining water after each therapy session.
  • Wash regularly using warm water and a mild detergent.
  • Rinse thoroughly with clean water.
  • Allow the chamber to air dry completely before reinstalling.
  • Inspect regularly for cracks, discolouration, or signs of wear.
  • Avoid alcohol-based cleaners, bleach, or abrasive materials.

Benefits

  • Restores consistent humidification to your AirSense™ 11 therapy system
  • Genuine ResMed part for guaranteed fit and performance
  • Leak-resistant construction for dependable daily use
  • Removable design makes cleaning and refilling straightforward
  • Helps maintain hygiene as part of a regular maintenance routine
  • Ideal replacement for a worn, cracked, or discoloured chamber
  • Quick installation with no tools required

⚠ Please Note

This water chamber is intended for use with the ResMed AirSense™ 11 series only and is not compatible with other devices. Replace the chamber if it becomes cracked, cloudy, or damaged, and never fill above the maximum water level line. Always follow the manufacturer's instructions for use, cleaning, and replacement schedules.

📄 Helpful Documents & Resources

Warranty T & C

🛡️ For Machines : Every eligible product you purchase is backed by a 2-year manufacturer warranty, covering manufacturing defects and workmanship under normal use.

 

⚠️ For Masks & Accessories : CPAP
masks and mask components are covered by a 6-month warranty against
manufacturing defects only.

 

*Not covered: Normal wear and tear, misuse, improper cleaning, accidental
damage, or unauthorised modifications.

📖 Read More — To view our detailed Warranty policy

Shipping & Return Policy

🚚 Free Next-Day UK Delivery : Orders placed before 3:00 PM GMT, Monday to Friday, are dispatched the same day using our next-day delivery service.

📖 Read More — To view our detailed Shipping policy

 

↩️ 30-Day Easy Returns : We offer a 30-day return policy on eligible items that are unused, unopened, and in their original sealed packaging. For hygiene and safety reasons, opened or used CPAP Machines, masks, cushions, and other personal-use accessories cannot be returned or replaced.

📖 Read More — To view our detailed Returns & Exchange policy

Frequently Asked Questions

Q. What is the ResMed HumidAir™ Water Chamber?
A. The ResMed HumidAir™ Water Chamber is a genuine replacement water tub designed exclusively for the ResMed AirSense™ 11 CPAP machine. It works with the integrated HumidAir™ humidification system to provide consistent moisture during therapy.

Q. Which CPAP machines is this water chamber compatible with?
A. This water chamber is compatible only with the ResMed AirSense™ 11 series, including the AirSense™ 11 AutoSet and AirSense™ 11 Elite.

Q. Is this water chamber compatible with the AirSense™ 10?
A. No. It is specifically designed for the AirSense™ 11 and is not compatible with the AirSense™ 10, AirCurve™ series, or other ResMed CPAP devices.

Q. Is this a genuine ResMed replacement part?
A. Yes. This is an original genuine ResMed HumidAir™ Water Chamber manufactured to ResMed's quality standards.

Q. How often should I replace the water chamber?
A. ResMed recommends replacing the water chamber approximately every 6–12 months, or sooner if it becomes cracked, leaks, or shows signs of wear.

Q. Can I use tap water in the water chamber?
A. For best performance and to reduce mineral buildup, ResMed recommends using distilled water where available. Always follow the guidance in your user manual.

Q. How do I clean the HumidAir™ Water Chamber?
A. Remove the chamber from the device, wash it with warm water and a mild detergent, rinse thoroughly, and allow it to air dry completely before reinstalling.

Q. Can the water chamber be removed for refilling?
A. Yes. The water chamber is fully removable, making it easy to refill, empty, and clean during routine maintenance.

Q. What is included in the package?
A. The package includes 1 × Genuine ResMed HumidAir™ Water Chamber for AirSense™ 11.

Q. Why should I replace my CPAP water chamber?
A. Replacing your water chamber helps maintain effective humidification, supports hygiene, and ensures reliable performance of your AirSense™ 11 CPAP machine.

View full details
ResMed AirSense 11 CPAP HumidAir Humidifier
ResMed AirSense 11 CPAP HumidAir Humidifier £52.99

Shipping policy

🚚 Fast, Reliable & Fully Tracked Shipping

Every order is dispatched using Royal Mail Tracked 24 or an equivalent fully tracked service, giving you a real-time tracking link so you can follow your delivery every step of the way.

Destination Estimated Delivery Tracking
🇬🇧 United Kingdom Next Working Day* ✅ Included
🇪🇺 Europe 2–3 Working Days ✅ Included
🌍 Rest of the World 7–10 Working Days ✅ Included

*Next working day delivery applies to eligible UK orders placed before our daily dispatch cut-off time. Delivery times are estimates and may occasionally be affected by courier delays, weather, public holidays, or other circumstances beyond our control.


1. Order Processing

We aim to process and dispatch all orders as quickly as possible.

  • Orders are processed on UK business days (Monday to Saturday, excluding public holidays).
  • Orders placed before 12:00 PM (UK time) are typically dispatched the same business day.
  • Orders placed after the cut-off time, or on Sundays and public holidays, will be processed on the next business day.
  • Once your order has been dispatched, you will receive a shipping confirmation email with tracking information.

2. UK Delivery

We offer FREE tracked delivery on all UK orders.

  • FREE standard tracked delivery on every UK order.
  • Orders are shipped using Royal Mail Tracked 24 or an equivalent tracked courier service.
  • Most UK orders are delivered on the next working day after dispatch.
  • Deliveries are made Monday to Saturday (excluding public holidays).
  • Full tracking details are provided once your order has been dispatched.

While the vast majority of UK deliveries arrive the next working day, delivery times are estimates and may occasionally take 1–2 working days due to courier delays, adverse weather, remote locations, or peak seasonal demand.


3. International Delivery

Europe

Most orders delivered within Europe arrive within 2–3 working days after dispatch using trusted international courier partners.

Rest of the World

Most international orders outside Europe are delivered within 7–10 working days after dispatch.

Please note:

  • Shipping costs are calculated and displayed at checkout.
  • All international shipments include tracking where available.
  • Delivery estimates may vary depending on customs processing and the destination country.

Customs, Duties & Taxes

International orders may be subject to import duties, VAT, taxes, or customs clearance fees imposed by the destination country.

  • These charges are not included in our product prices or shipping fees.
  • Any applicable customs charges are the responsibility of the recipient.
  • Customs authorities or courier companies may require payment before delivery.

If a shipment is delayed, refused, abandoned, or returned due to unpaid customs charges or failure to cooperate with customs authorities, shipping charges and any associated costs are non-refundable.


4. Delivery Restrictions

  • We do not deliver to PO Box or BFPO addresses.
  • Certain products may require additional verification before dispatch to comply with applicable regulations.
  • Orders may be delayed if additional verification is required.

5. Delivery Issues

If your order is delayed, missing, damaged, or incomplete, please contact us as soon as possible.

To help us resolve your issue quickly, please include:

  • Your order number.
  • A description of the issue.
  • Photographs of any damaged items or packaging (where applicable).

We will work closely with our courier partners to investigate and resolve delivery issues as quickly as possible.


6. Contact Us

If you have any questions about shipping, delivery times, or tracking, please contact us:

📧 contact@cpapsavers.com

🕘 Monday to Friday, 9:00 AM – 5:00 PM (UK time)

 


Last updated: 28 April 2026

This Shipping Policy explains how CPAP Savers processes, dispatches, and delivers orders within the United Kingdom and internationally.

By placing an order with us, you agree to the terms outlined below.

Refund policy

💙 Shop With Complete Confidence

At CPAP Savers, we're committed to making your shopping experience simple, secure, and worry-free. If there's ever an issue with your order, our friendly UK support team is here to help.

Returns at a Glance

Situation What Happens?
✅ Unused & unopened item 30-day hassle-free returns
✅ Faulty or damaged item Free replacement or full refund
✅ Wrong item received We'll fix it at no cost to you
✅ Tracked support We're here every step of the way

Buy with confidence: If we've made a mistake or your item arrives damaged or faulty, we'll make it right with a replacement or full refund.


Last updated: 14 July 2026


1. Change-of-Mind Returns

If you've changed your mind, you may return eligible items within 30 days of delivery.

To qualify for a refund:

  • The item must be unused, unopened, and in its original sealed packaging.
  • Products must be in a condition suitable for resale.
  • Original delivery charges are non-refundable.
  • Return postage is the customer's responsibility.
  • We recommend using a tracked delivery service and keeping proof of postage.
  • Once your return has been received and inspected, refunds are processed within 10 working days to your original payment method.

Returns requested after 30 days cannot be accepted unless the item is faulty and covered by the manufacturer's warranty.


2. Faulty, Damaged or Incorrect Orders

If something isn't right with your order, please contact us within 7 days of delivery.

This includes:

  • Items damaged during transit
  • Incorrect products received
  • Manufacturing defects

In these situations, we'll arrange either:

  • A free replacement, or
  • A full refund

We'll also cover reasonable return postage costs, and where applicable, refund the original delivery charges.

If a fault develops after 30 days, your product may still be covered by the manufacturer's warranty. We'll gladly assist you with the warranty process wherever possible.


3. Hygiene & Medical Safety

For the safety of all customers, certain medical products cannot be returned once opened unless they are confirmed to be faulty.

This includes (but is not limited to):

  • CPAP Machines
  • CPAP Masks & cushions
  • Tubing and hoses
  • Filters
  • Humidifier chambers
  • Nasal or oral interface components

These restrictions comply with UK consumer hygiene regulations.


4. How to Arrange a Return

To request a return:

  1. Email contact@cpapsavers.com with your order number and reason for return.
  2. We'll confirm whether your return is eligible.
  3. We'll provide return instructions.
  4. Return the item with all original packaging, accessories, and manuals.
  5. Once inspected, your refund will be issued to your original payment method.

5. Items That Cannot Be Returned

Unless faulty, the following items cannot be returned:

  • Opened or used prescription medical devices (including CPAP machines)
  • Opened CPAP masks and hygiene-sensitive products
  • Opened consumables such as filters or straps
  • Clearance or final-sale items
  • Ex-display or refurbished products sold as final sale

6. International Returns

Eligible international returns are accepted.

Please note:

  • Return shipping costs are the customer's responsibility unless the item is faulty or incorrect.
  • Import duties, customs fees, and taxes are non-refundable.
  • Refunds are processed once the returned goods have been received and inspected.

7. Returns & Refund Summary

Situation Return Accepted? Refund / Replacement Conditions
Unused & unopened item ✅ Yes ✅ Full refund Within 30 days in original sealed packaging
Opened but unused item ⚠️ Case by case ⚠️ Partial refund or store credit Subject to hygiene inspection
Used mask, tubing or hygiene products ❌ No ❌ Not eligible UK hygiene regulations apply
Faulty or defective product ✅ Yes ✅ Full refund or replacement Report within 7 days where possible
Wrong item received ✅ Yes ✅ Full refund or replacement We cover return shipping
Damaged during delivery ✅ Yes ✅ Full refund or replacement Contact us promptly with photos if possible
Change of mind ✅ Yes ✅ Refund Item must remain unopened and unused

8. Contact Us

If you need help with a return or refund, our support team is happy to help.

📧 contact@cpapsavers.com

🕘 Monday to Friday, 9:00 AM – 5:00 PM (UK time)

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