1) right next to water pump - this one was hard to find as it can be obscured by other crap in that small area under those drawers - that heat duct panel pops out - that will help - as the drain cut off is under that hose. This is the low point drain for water servicing the macerator toilet.
2) hot water tank is in exterior storage compartment - just next to it is a low point drain.
3) between the tires drivers side are two valves that are low point drains.
I think that is it.
“The atoms of our bodies are traceable to stars that manufactured them...We are not figuratively, but literally stardust.”