Two ways. Almost certain Generac has a dual fuel carb that will LP and NG.
But you can always convert LP to work with an unaltered NG device with an
air mixer.
Lots of mission critical NG installations have a large LP tank too with this
air mixer device. The NG companies call them a carburetor. I think it just
mixes a fixed amount of air with the LP and sends it down the line at the
right pressure.
-----Original Message-----
From: George Skorup
Sent: Thursday, April 07, 2016 12:04 PM
To: [email protected]
Subject: [AFMUG] LP and NG on genset?
We're going to be putting in one of the Generac 1800RPM quiet models at
our office (so the neighbors won't bitch too much about the noise of a
3600). So here's one of the potential problems we're worried about,
because it happened. They shut off the natural gas after the tornado
last year because houses were blown away and gas was leaking everywhere.
If that were to happen again, then our shiny expensive new generator
will be sitting there doing nothing. So we're thinking about doing a LP
tank as backup, but would like to have the primary be NG. Has anyone
done this? Two regulators and valves perhaps? I don't have a problem
manually turning some valves, but I don't wanna be out there at
o'dark:30 in the rain doing plumbing.
