Make A Hydrogen Generator

If you don't see what you need to make a hydrogen generator, we may be able to get it for you, or know of a good place to send you so feel free to contact us.

We carry an array of DIY hydrogen parts that you may be looking for. Whether you are building your own HHO generator or want to add to your existing hydrogen system.  

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316 Stainless Steel Fasteners

When you make a hydrogen generator, you will definitely need 316 stainless steel fasteners.

You want stainless steel that is the least corrosive for your hydrogen generator. 316 cost about 35% more than 304 stainless steel, but there is a huge difference. 304 contains 18% chromium and 8% nickel.

316 contains 16% chromium, 10% nickel and 2% molybdenum. The "moly" is added to help resist corrosion.

316 should be stamped on the fastener.

316 SS Tap Bolts
Fully Threaded
1/4" Set Of 2
3/4" Set Of 2
316 stainless steel bolt
1/4 x 20 x 2
3/8 x 16 x 2
Buy Now
$3.95
Buy Now
$8.95


316 SS
Finished Hex Nuts
1/4" Set Of 4
3/4" Set Of 4
316 stainless steel hex nuts
1/4 x 20 x 3/8
3/8 - 16
Buy Now
$1.99
Buy Now
$2.59


316 SS
Flat Washers
1/4" Set Of 4
3/4" Set Of 4
316 stainless steel flat washers
1/4 x 5/8
3/8 x 7/8
Buy Now
$1.25
Buy Now
$1.95


The Difference between 316 and 316L is the amount of carbon. 316 has .08 and 316L has .03 carbon content. The primary reason for using an L grade of 316 stainless steel is that it will reduce the tendency of the material to crack after welding. Other than that the resistance to corrosion it seems to have no difference.


Viton O-Rings

Quality Viton O-Rings are resistant to chemicals for your hydrogen generator system. These will give you a good leak proof seal when you make a hydrogen generator.

Available in 2 sizes to accompany either the 1/4" or 3/4" 316 Stainless Steel Fasteners

Viton O-Rings
1/4" Set Of 2
3/4" Set Of 2
Viton O-Rings
Buy Now
$1.45
Buy Now
$1.45



Check Valves

For Liquid and Gas

Allows fluid or gas to flow through in only one direction. They can have multiple uses when you make a hydrogen generator system.

Check Valve
For 1/4" ID Hose
For 3/8" ID Hose
Check Valve
Buy Now
$2.99
Buy Now
$4.75


  • Polypropylene And Kynar Housing With Viton diaphragm
  • Will Work With Vacuum Between 2 and 29 in. Hg. And Pressure From 1 psi to 150 psi.
  • Will Withstand Chemicals


12v 5 Pin Relay Relay



  • 30/50 Five Pin Terminal Relay
  • Capable Of Switching Up To 40 amps
  • Normally Closed Terminals Can Switch To 30 amps
  • 12 Volt Coil
  • Normally Closed Terminals Can Switch To 30 amps

5 Pin Relay Harness Relay Harness



  • 5 Pin
  • 14 Gauge Wire
  • 11" Leads
With our hydrogen kits, we show you how to install your HHO system so that you make a hydrogen generator only working when your engine is running. This is the safest way to wire your hydrogen generator system. Before making a hydrogen generator please see HHO Safety for more important information


Inline Fuse Holders, Relays and Relay Harnesses

Mini InLine Fuse ATC Inline Fuse
Inline Fuse Holder Inline Fuse Holder
Buy Now
$4.99
Buy Now
$4.99
12 gauge
10 gauge
4 " Leads
Loop Lead
waterproof Fuse Holder
waterproof Fuse Holder
For Use With Mini Fuses
For Use With ATC Fuses


Annealed 316l Stainless Steel Wire 20 AWG

316l stainless steel wire


Buy Now
$9.95 Per 20 Feet




When you make a hydrogen generator with electrode towers you definitely want the annealed 316l wire. If it isn't annealed it will be too hard to bend and work with.

Sold by 20 feet lengths, comes to you in a continuous roll.



Hydrogen Reservoir Tanks

Adding a hydrogen reservoir tank when you make a hydrogen generator system means you won't have to fill your generator up as often, cutting down on the maintenance.

Some are adding float switches to monitor the water level from inside the vehicle, with an LED light. Like we do on our Hydrogen Generator Diesel Kit. These tanks are very stout, thick enough to drill a hole through.

2 Quart

6" H x 8 1/2" W x 4 1/2" D


Hydrogen Reservoir
Buy Now
$28.95




You can also order tanks
with our float sensor installed for you.

Need A Larger Tank?

Please Call Or Contact Us For Prices And Shipping Time.



6 Quart 2.5 Gallon 4 Gallon
6 Quart Hydrogen Reservoir 2.5 Gallon Hydrogen Reservoir 4 Gallon Hydrogen Reservoir



Whether you call them; a float switch, float level switch, liquid level sensor, water level sensor or pump switch.

Float Switch

Buy Now
$24.95
  • Temperature Range up to 248 Degrees Farenheight or 120C
  • Normally Open or Normally Closed by Float Rotation
  • Polyphenylene Material
  • Nitrile Gasket
  • Voltage Rating - 120VDC, 240VAC
  • Voltage Rating - 120VDC, 240VAC
  • Lead Free
  • RoHS Compliant
  • 40" Wire Leads













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    Email: hho@hydrogen-generators-usa.com


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