We figured out a way to give the whole rig a good test...
(Minus the 30 amp power supply.
)
We plug in to a 15 amp outlet, and hook up to the outside water faucet.
(Water is filtered at the faucet, and run through out "Drinking hose".
We bought a sewer dump caddy that'll hold 36 gallons, and we use that to empty the tanks into our "backyard engineered" sump outlet into our Town's sewage system...
We're good to go with everything except the air conditioner, and cable TV.