Cylinder support

The award winning Baxi Customer Support team don't just provide excellent aftersales support for our boilers, they also provide aftersales support and engineer services for Heatrae Sadia cylinders,  including warranties, protection plans and ad hoc repairs.

All Baxi Customer Support engineers are trained to repair or service Heatrae Sadia's domestic cylinders, providing essential protection for your heating system.

Cylinder repairs

With a first time fix rate of over 95% and access to over 250 manufacturer trained engineers, you can trust Baxi with your cylinder repairs. You can purchase a protection plan to cover the initial cylinder repair and then further protect your product for the following 12 months, covering any new faults that may occur; if a repair is not possible on the engineer visit, you will be given a full refund.  One off repairs are also available for your cylinder without the additional 12 months cover.

Cylinder warranties

Protecting your cylinder with one of our warranties will provide you with complete peace of mind during the warranty period. Register a warranty.

The following table highlights the different lengths of warranty that applies to each product:

 Megaflo   Santon  Heatrae Sadia 
Inner Cylinder Lifetime   Lifetime  30 years   25 years
 External Components  2 years  2 years  2 years
 Cold water controls and external expansion vessel  5 years  5 years  5 years

Cylinder protection plans

  • Breakdown protection - our cylinder protection plan will protect your cylinder and the associated components against electrical and mechanical faults. The price of your plan includes any callouts required, and parts and labour charges*
  • Baxi engineers and Genuine Parts - only Baxi approved engineers and parts are used for repairs to the cylinder and associated components. Find out more about the importance of using genuine parts
  • Direct Debit Option - you can pay for the plan over 12 months taking advantage of a £10 direct debit discount*, this can then be renewed for the life of the cylinder. This discount will apply for each year the plan is renewed.

*Read our Terms and Conditions

Replenishing the air-gap on a Megaflo Cylinder

If you find that water is flowing from the overflow on your Megaflo cylinder, it may be time to replenish its air-gap. Watch this video for a step by step tutorial on how to replenish the air-gap on a Megaflo Cylinder.

Replacement parts
Find the part you're looking for, with Interpart

Baxi Genuine Parts provides one of the largest parts distribution services of its kind in the UK, helping you to find the part you need quickly and without fuss.

Visit the dedicated website
Download our jargon buster

Download our Jargon Buster document, here to help you understand the terms used by heating engineers.

Boiler how to video guides

Opening hours

Monday to Friday: 8am - 6pm

Saturday/Sunday: 8.30am - 2pm

Bank holidays including Christmas and New Year: 8.30am - 2pm