Image: Main Diagram

showing the conversion. The numbers are the pushlock hose size (in 1/16ths of an inch, related to pipe threading size which is 1/4" lower than the actual pipe inner diameter. Click again to see the full-size image. The clean tank ended up being 60 gallons and fits right next to the dirty tank, leaving a huge space to the side (for propane, perhaps?). Eventually I'll probably add an electric heat boost right at the solenoid to hit 180° in cold climates.