Bubblers / flashback arrestors must be always used with with Hydrogen systems from Hydrogenfuelsystems pty ltd to prevent flashback or backfire . 40 amp Circuit breakers must always be installed on Trucking systems and 30 amp circuit breakers used on all other vehicles engines.
Above is the link to read how to install the Hydrogen generator systems on your car or truck. These instructions are a PDF file document. It is advised to print out the document and carefully read before attempting the installation.
For more information or to clarify any aspects on the installation of these patented Hydrogen Generator kits send me a message to glknox11@live.com, .