NTI® Hot Water Heaters

Hot Water Heaters

Indirect Hot Water Heaters

S20W Wall-Mounted Series™

NTI® S20W Wall-Mounted Series™

Pound for pound the S20W is our highest performance tank. With recovery rates that exceed most industry standard 50 and 65 gallon indirects, this small but mighty tank delivers an exceptional amount of hot water.



  • High quality Stainless Steel Tank & Coil, type 444
  • CFC-free 2” ultra-high density EPS insulation
  • All units provided with thermostatic mixing valve

Trin & Stor Series™

NTI® Trin & Stor Series™

The Trin & Stor passivated steel storage tanks are renowned for maximum resistance to corrosion, which increases their longevity. Their high-quality construction and components make these storage tanks a popular product, and they come in a wide range of sizes to fit any need.

  • S40 / S50 / S65/ S80 models available
  • Stainless steel passivated construction
  • Simple and quick aquastat connection
  • High accuracy TPI control thermostat
  • Highest quality construction
  • Lead free