for pump control panels, however, they are not necessarily the best choice for all installation locations. Dirt, dust, and other airborne contaminants can clog condenser coils; while corrosive gasses in [...] systems are particularly vulnerable as H 2 S sour gas readily attacks copper used in wires, electrical contacts, and cooling units used on motor control centers (MCC’s). Enclosure cooling is vital for MCC’s [...] y of the cabinet – can lead to scratched paint, compromised coatings, and eventual corrosion. Pfannenberg air-to-water heat exchange on a lift pump control panel at a wastewater treatment facility. Air/water