How to Convert and Connect Natural Gas to Harbor Freight Predator 3500 Inverter Generator

The ever popular Harbor Freight Predator 3500 now running on natural gas!

☆Did you know Harbor Freight made two versions of the 3500? Watch how we compare the two.

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[knowledgeispower]

I would recommend placing the locking gas valve downstream of the main gas shut-off for the property.

[barkingspider]

Video topics you might want to look at making:
- Carburetor replacement options on Amazon (affiliate link or your store)
- Jet kit based upon elevation (the Predator 3500 runs rich)
- More on the topic of letting the Predator 3500 breathe with venting
I have the new version of the Predator and some of the recommended upgrades are not working (Jet size of 72 was a fail in Atlanta 734 feet altitude) Folks that live at 4, 000 feet above sea level have different situation.
Running Seafoam or Acetone might help clean up the plug and piston..
I am testing this now. Seafoam first (checking the plug and top of piston)

Thank you for the video, much appreciated.

[GH-wtww]

Great video and setup. Where did you find the 1/2in black hose? I'm gonna need about 25ft.
Thanks

[Mike-pbjm]

Did you purchase fittings and valve locally or elsewhere? If not local, could you please provide a link

[MrSkunks]

What size hose would I need for propane? It runs at slightly higher pressure than NG so would 3/8 propane hose work for a 12-15ft run?