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Subject: Re: Installation Cost of Nat Gas Generator?
From: "trad...@optonline.net" <trad...@optonline.net>
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On Nov 18, 8:26=A0am, "HeyBub" <hey...@NOSPAMgmail.com> wrote:
> (PeteCresswell) wrote:
> > Per Arnie Goetchius:
> >> installation of a natural gas
> >> generator...
>
> > Nobody had mentioned this yet: gas pressure.
>
> > I don't know the first thing... but in other threads I've read
> > gas pressure has come up.
>
> > From context, I'm guessing that a generator needs a certain
> > minimum gas pressure to function and that might be higher than
> > what is coming in on the gas utility's line.
>
> > May turn out tb FUD, but it seems worth investigating
>
> Warning: Conjecture follows:
>
> I think the pressure is constant throughout the system*, it's the volume =
of
> gas that can be delivered that's the issue. Obviously a 1" gas line can
> deliver more natural gas than a 1/2" line. So, then, when installing the
> piping, go for as large a diameter pipe as you can.
>
> ----------
> * Unless the generator is putting the big suck on the supply. Even then, =
I
> suspect the regulator on the meter will throttle down the flow.

Yes, a natural gas generator is no different than any
other gas appliance in that regard.  Works using the same
pressure, you just need to size the piping correctly.
The 12KW one I'm screwing around with has a 1" gas
fitting and runs around 240,000 BTUs at full tilt, about
half that at half power.

BTW, I have a nice 26hp nat gas engine, low hours,
from that generator, if anyone is interested.
Not sure it makes sense to fix
the generator section, given what I've seen of all
the bad reviews of Generac online.  Probably going
to part it out.