The Chromalox AR-215AP is a compact, pre-engineered circulation heater designed primarily for heating water. It features durable Incoloy sheathed heating elements housed within a painted steel vessel, providing efficient heat transfer. This model typically includes an adjustable thermostat for temperature control and a manual reset high-limit cutout for safety. Its straightforward design makes it suitable for various applications such as process heating, freeze protection, comfort heating, and hot water supply for wash stations.