Hydrogen buildup in “on demand” generators

Question:

-If I have my car on but not running will the gas build up in my car?

Answer:

-If wired correctly, NO, there will be no gas build up.
Ideally you connect to a spot that is only on when the engine is running. Often this spot exists in the fuse box, or your fuel pump is wired this way. Tap into that wire.

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Hydrogen buildup in "on demand" generators
Description
If wired correctly, there will be no HHO build up. Connect to a spot that is only on when the engine is running. Often this spot exists in the fuse box, or your the pump is wired this way. Tap into that wire.
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Better Fuel Technology
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