"LD" wrote in message
. net...
Does anyone know of an "inline" product that would act like a check valve,
would work in a horizontal position, and fit my 5/8" id vent hose.


The vent line MUST be able to flow air in both directions. When you fill
the tank, air has to escape out the vent. If you had a check valve that
prevented this then you would have a terrible time filling the tank.

They make some nice shut off systems that involve a floating ball that plugs
the vent when gas enters the vent line. These need to be installed at least
at a 45 degree angle in order to work, so if you don't have room for that
then you may be out of luck.

I think your best bet is to simply not fill the tanks so full.


Rod