Installers and homeowners! Use the links below to protect your unvented cylinder's guarantee
Submit Commissioning Details
Installers must complete the Benchmark Commissioning Checklist in the installation manual and should submit a copy to Range Cylinders using the form below.​
Homeowners, act now to protect your hot water cylinder! Activate its extended guarantee within one month of the cylinder's first use or your legal completion date.
Homeowners, protect your guarantee by ensuring your cylinder is serviced by a heating engineer qualified to work on unvented systems. Log this service online every 12 months.