Plumbing consists of:
I am using an Incinolet toilet. It's essentially a stainless steel
incineration chamber with a toilet on top. After using the toilet, it drops
the waste into the chamber and incinerates it into about 1 T of sterile ash.
The only smell inside the bus is one similar to that of hot metal, certainly
not of waste, and I can't smell anything outside of the bus. It's energy
intensive, but I have a
beefy electrical system.
Since the toilet and shower are the only 'rooms' on the bus, it seemed
like it would be nice to easily relocate them. The incinolet needs
only a roof vent, and the shower needs only a floor drain, so that's only
two holes that need to move.
Hot water for sink & shower will come off of a heat exchanger on the
diesel furnace used in the
heating system.
The furnace is 30 kBTU/hr. That's 1°/hr change for 30,000 pounds of
water, or 3750 gallons for 1°/hr, or 1.5GPM by 40° change, which should
be enough to handle a continuous shower, once the heat exchanger gets
hot (presuming I divert all the energy from the furnace to hot water,
which isn't a problem).
After some use, I'll figure out if I just need a switch to automatically
turn on the furnace, or if I'll preheat before use, or if I want a
small hot water tank to get 'instant' hot water while the exchanger
catches up. Another possibility is to just use a small electric
heater for the sink (which generally needs very small amounts of
hot water quickly), versus turning on the furnace a minute or two before
showering.
