For many years Hold Over/Cold plate refrigeration was the way to go for long distance cruising yachts, and over the road refrigerated trucks...The function is Just as the Phrase Implies...Hold Over...For extended periods with a minimum of refrigeration system run time. The Advantages, and Disadvantages of a Hold Over system are similar to a block of ice because that is essentially what is done... The hold over plate/s in the box is/are approx 3" thick, and have copper tubing run through them … [Read more...]