Commercial Flashback devices

Many welding supply stores and dealers offer acetylene and oxygen flashback units for welding, these might be able to be adapted to HHO and are a lot smaller than a bubbler. Also do a net search for dealers if you don’t have one locally.

Advanced Bubbler

Here is an advanced Bubbler design, it currently is untested as far as I know. So if you try it, or have used it let us know how it works.

Click on pic to download and save as pdf, right click and save as jpg.
Heres the way I modified tank, drilled 2 holes, top and bottom, [...]

Basic Bubbler

A Bubbler is a simple flashback device, used to prevent the burning gas from entering the HHO gas generating chamber and creating an explosion. The device by design can itself explode the quantity of gas in the head space above the water, destroying the bubbler, spreading the diluted catalyst and shrapnel from the container.
For safety, [...]

Flashback Devices

Detail your bubbler, your Homemade flashback device, detail failures as well as success’. Where did you get the commercial flashback device, the check valve, the quick disconnect, the acrylic Tube, etc