I use my old immersion chiller as a pre-chiller before the water enters my plate chiller. I put it in an ice-water bath in a small cooler.
Hot Texas ground water from the garden hose -> pre-chiller -> March pump -> plate chiller -> fermentor.
Boiling to 70F in 5 min.
Primary: nada, Tap 1: nada, Tap 2: nada, Tap 3: nada, Tap 4: breakfast stout
Next: robust porter