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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 15270
Experience:  Certified on Onan and Generac generators
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How do I change my generac from propane to natural gas ?

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How do I change my generac from propane to natural gas ?
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What are the model and serial numbers of the genset?
Customer: replied 5 years ago.
Generac Guardian 12000. serial #3724485
Just for your records, your model number is XXXXX

Reconfiguring the fuel system is somewhat difficult on this set, as a port has to be changed on the demand regulator.

You will need to remove the regulator to do this.
I have uploaded an Owner manual for you, that shows you how to do this step by step.
Click here to download the manual.
Customer: replied 5 years ago.
Is that regulator just inside the housing where the fuel inlet line is ?
Yes, sir - that is the one.
Right there in the back right corner,.
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