Diversified Heat Transfer, Inc. (DHT), announced the expansion of its ST Series Semi-Instantaneous Water Heater line with the introduction of a High Output Double Wall heat exchanger option. The new design is available across all ST Series models, including 6-inch, 8-inch, 10-inch, and 12-inch shell sizes, providing engineers and contractors with more flexibility when designing high-demand domestic hot water systems. The ST Series is now available with both Standard Output and High Output Double Wall heat exchanger options, allowing customers to select the performance level that best fits their application while meeting project specifications requiring double wall construction. 

The expanded ST Series is designed for a broad range of commercial and institutional applications, including healthcare, education, hospitality, multifamily housing, government, commercial buildings, and industrial facilities. With two double wall performance options now available across the entire product line, engineers can more easily specify the right solution without compromising performance or installation requirements. In addition to its expanded double wall offering, the ST Series features a compact footprint, stainless steel shell construction, advanced electronic PID controls with touchscreen interface, native BACnet IP and Modbus IP communication, and vertical or horizontal configurations to accommodate a variety of installation requirements.