If you have a garden hose hook up, this is what I use. runs on 12 volts and I just dump the whole unit into a 5 gallon bucket that I have.
1990 28' Georgie Boy, 454, 4bbl, Thorley Headers, Recurved Distributor, 8.75 mpg. RVM 76
CAMPING: WHERE YOU SPEND A SMALL FORTUNE TO LIVE LIKE A HOMELESS PERSON.