Guarantee Return Cards

Please ensure you return this lifetime guarantee registration card to validate your warranty.

Terms and Conditions

The cylinder carries a lifetime guarantee against faulty manufacture or materials, provided that:

  • The product is used solely for the storage of mains quality potable water
  • The product has not been modified or tampered with
  • The product has been installed and maintained in accordance with the installation instructions.
  • The product has not been subjected to damage caused by frost, or other external influence.
  • Within 28 days of installation, the Guarantee Card, supplied with the product, has been completed and returned to CMS
  • The immersion heater, water control valves, cylinder thermostat and energy cut out valves are guaranteed for two years from the date of manufacture.
  • Claims made against our Lifetime Guarantee must be supported with evidence of purchase and the product serial number, along with a copy of the completed Benchmark Log Book.
  • Your Statutory rights are not affected by this guarantee.
  • Failure to carry out the annual safety check on this product will invalidate the guarantee.