Steven Levy Enterprises buys and sells new, unused, and used industrial surplus process heaters, circulating heaters and immersion heaters. Browse our inventory of used process heaters, circulating heaters and immersion heaters available for purchase. Process heaters are used to maintain heat within a liquid medium like water, oil and different chemicals along with stabilizing the gas. Circulating heaters are self-contained heating units designed for optimum operating efficiency and performance. All of the heat generated by the elements is immediately transferred to the medium being processed with minimal losses. Immersion heaters are installed in a tank or container to heat a liquid and can be installed over-the-side, flanged or threaded. Tell us what surplus process heaters, circulating heaters and immersion heaters you have for sale or call us at 713-910-4337.