Three series of Penberthy steam jet heaters are used for heating liquids in line. One model is available for heating liquids in tanks. Models ELL, HLM and SRH in-line mixers can heat in-line while transporting the process media. Steam jet heaters optimize the condensation of steam into the motive medium to heat the fluid. CTE2 circulating tank eductor heaters are open tank heaters that combine steam and liquid in vessels where contents may be recirculated.