A stainless steel oil skimmer helps keep detergent solution cleaner by separating oil from the water and routing it to an outside storage container. Contamination-proof interior welds, a removable filter basket and a debris trap help keep unwanted particles away from the recirculating tank, pump and spray nozzles. Automatic low-water shutoff helps prevent heater and pump damage by stopping operation when water levels become unsafe. A neoprene door seal helps reduce water and steam loss, while a NEMA-rated electrical panel, friction-drive turntable and heavy-duty non-marring casters support safe, dependable shop operation.