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propane auto changeover with generator

John Frum

Tell me your problems
Joined
Nov 30, 2019
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Has anyone figured out how to do a propane auto changeover for a generator?
 
Just in case its not clear by auto-changeover I mean automatically switch from one tank to the other for extended operation.
 
Just in case its not clear by auto-changeover I mean automatically switch from one tank to the other for extended operation.
Gotcha - wasn't sure. In any case the generator needs the right adaption parts to run on propane -if not manufactured for vapor based fuel. Make sure you properly size the regulator for BTU's of installed equipment.
Check Marshall Brass for that type of device.
https://www.marshallexcelsior.com/2-stage-excela-flo-auto-change-over-regulator-14-inv-x-38-fpt
Whole page of them on Amazon:
https://www.amazon.com/propane-auto-changeover-regulator/s?k=propane+auto+changeover+regulator
 
Gotcha - wasn't sure. In any case the generator needs the right adaption parts to run on propane -if not manufactured for vapor based fuel. Make sure you properly size the regulator for BTU's of installed equipment.
Check Marshall Brass for that type of device.
https://www.marshallexcelsior.com/2-stage-excela-flo-auto-change-over-regulator-14-inv-x-38-fpt
Whole page of them on Amazon:
https://www.amazon.com/propane-auto-changeover-regulator/s?k=propane+auto+changeover+regulator

Have you seen or can you source a single stage changover?
So that I could use the existing 2nd stage?
 
Just in case its not clear by auto-changeover I mean automatically switch from one tank to the other for extended operation.


Gotcha. Why not just tie all the cylinders together and let it run? I l know, I'm the same way, I'd rather have it so I could change cylinders out and stay running. The one mapguy525 linked looks like what you need.
 
I've been thinking that having 2 small inverter generators might also be a better plan.
Can sync them for more power or run one while maintaining the other.
 
Engineer775 on youtube did a video where the house backup was 2 or 3 honda generators, all propane setup. They could tie in 1, 2, or all 3 gennys at a single time.

I like propane as it stays good forever. Could you just put a 2K tank out there for the genny?
 
Could you just put a 2K tank out there for the genny?

I want the solution to fit in the bed of a pickup.
Oh and every piece should be lug-able by one guy who is getting isn't as young as he used to be.
 
Last edited:
I want the solution to fit in the bed of a pickup.
Oh and every piece should be lug-able by one guy who is getting isn't as young as he used to be.
Stick with "inverter" generators. Lots of brands to choose from. Many people love Honda but I think they are overpriced.

The biggest generator you will find that is ACTUALLY "lugable" is the Westinghouse iGen 2500. It is a few pounds heavier than other 2000w-2200W generators, but still can be "one handed". No factory LP hook up.

2 generators is a great idea if your pocketbook can handle it.
 

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