robert cross uses 2 hondaz on lp gas and has posted pix of his plumbing, go fish...
depending on LINE length, sure a T off the tanks after the pressure regulator will work...
another T can be added for an lp grill or lantern or fake fire place...
the problem with using the ON BOARD lp tanks is proximity of the 2 gensets to your LIVING space.
while lpg is 'clean fuel' and complete combustion results in co2 and h2o...
combustion is TYPICALLY not complete and will vary with altitude, load and genset performance...
which means CO will be a byproduct, just like with gasOline.
many LP related disasters are from breathing CO.
i would NOT want to NOT be able to p
ut a little distance between stream and gensets when warranted.
plus you will SUCK the onboard tanks dry in no time, which means NO fridge or water heater or furnace.
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consider carrying a 3rd lptank that's identical to the worthingtons ON da'stream...
then u can position the gensets wherever is IDEAL, based on wind/trees/neighbors and the 30 amp cord.
u can swap OFF the 3 tanks and start looking for a REFILL when the 3rd tank is needed.
cheers
2air'