Instantaneous Hot Water Heater Systems

The envirosep IWH-WW, Instantaneous Water-To-Water Heater is a simple and accurate manufactured, ready-to-install system designed to address the requirements of commercial heating systems. These systems can be used in conjunction with any opportunities to recover wasted thermal energy. Designed to utilize water as the heat source, the system can be used with boilers, chillers, and many other situations. The standard envirosep IWH-WW is constructed of stainless steel, copper, and bronze components suitable for domestic water use. Capable of handling a wide range of water flowrates and temperatures, while being custom-tailored to your specific site needs, makes this system an ideal choice for either new or replacement installations.


  • ASME, Shell & Tube or Plate & Frame Heat Exchanger – Stainless Steel Water Side, with U-stamp
  • Self-contained, pilot-operated or pneumatic modulating steam control valves
  • High temperature cut-off switch, for independent source steam isolation
  • Secondary high temperature purge system, with blowdown controls
  • Internal circulation pump
  • UL Listed NEMA 12 industrial control panel
  • Float & thermostatic steam trap
  • Outlet temperature indication


  • PLC System controller w/ touch screen
  • Various NEMA ratings
  • Inlet steam condensate removal
  • System recirculation pumps
  • Steam-powered or electric condensate pumps
  • Filtration
  • Specific performance criteria (upon request)
packaged pumping systems
industrial control panels

Contact us to learn more about Envirosep solutions.

We offer integrated solutions for your fluid handling, heat transfer and energy recovery needs.