The hydrogen flow components warranty is covered by the original equipment manufacturer warranty.
HEMS International cover the warranty for the HEMS hydrogen flow controlling system.
The gas supply company that owns and refills the cylinder covers the hydrogen cylinder warranty.
HEMS International has appropriate insurance to cover any unlikely damage to the engine or vehicle that can be directly attributed to the design and operation of the HEMS system
However, whilst encouraging appropriate training and installation, HEMS International will not be held liable for errors in installation or non-adherence to instructions by installers or operators.