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Register your warranty

We are proud of the quality and reliability of our hot water cylinders, however it’s important to register the warranty of your hot water cylinder so that OSO can help you in the unfortunate circumstance a problem occurs.

OSO’s Domestic Cylinders come with a 25 year warranty. Commercial Cylinders and Nano’s come with a 10 year warranty and Spare Parts come with a 2 year warranty.

Please register your warranty within 60 days of installation

Your warranty terms and conditions are in the literature pack supplied with your product. Your warranty is a 2-year free period of cover and after the 2-year free period, servicing must be performed.

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Book your cylinder for servicing

Servicing your hot water cylinder annually is vital for giving you the best possible hot water experience and here’s why:

  • Safety: Servicing your cylinder ensures pressurised systems are working safely and correctly
  • Warranty: Your warranty is fully valid should your cylinder need repair or replacement.
  • Performance: Servicing your cylinder maintains optimum performance and life expectancy.

OSO can offer a service to your cylinder from £125.00+VAT*

*On inspection should there be any parts or extra labour required then this will be chargeable on the day, but all costs will be provided before any extra work is done.

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We would like to keep in touch with you about relevant services. Please indicate the methods you are happy for us to use. We will never share your information with third parties. You can read more about our privacy policy here.

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