You sure had a full & exciting day! Woooo Hoooooooooo selling the fire hydrant. I like that idea too of 1 either side of the door.
Ya know, you could use a bilge pump in the tub & stick the hose right out the window. Bet you could find a used one at a yard sale Orrrrrrrrr
http://www.meijer.com/s/seasen...
https://www.amazon.com/dp/B004LRBI9A/
You can hook these to a 12V battery or get a converter OR they make ones that are 110V.