Indirect Fired Water Heater

Offering a wide range of hot water cylinders and all stainless steel tank-in-tank technology.

Indirect Fired Water Heaters

Smart 316 Indirect Water Heater

Smart 316

Smart 316 Indirect Water Heater Icon

Smart 316 is upgraded to 316L stainless steel inner tank-acid pickling for increased corrosion resistance, state-of-the-art welding procedures & improved dry well testing for longer life.

  • Exclusive “Tank-in-Tank” Technology
  • Self Cleaning / Self Descaling Heat Exchanger
  • Lowest Pressure Drop in the Industry
  • 7 Sizes to Choose From
  • 2″ Polyurethane Foam Insulation
  • Continuous Hot Water
  • High Efficiency – Saving You Money
  • Upgraded stainless steel inner tank to 316L
  • Acid Pickling – increases corrosion resistance
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Cardinal

Cardinal *Now Available*

Smart 316 Indirect Water Heater Icon

Triangle Tube is proud to introduce its latest product innovation, the Cardinal.

  • Coil Type Indirect Water Heater
  • All Stainless Steel Construction

  • 1″ Boiler Connections

  • Top DHW Connections
    Factory Included: T&P Vavle and Drain Valve
  • Sizes Ranging from 30 to 120 Gallons
  • Acid Pickling For Increased Corrosion Resistance
  • 2″ Polyurethane Foam Insulation
  • AHRI Certified Rating and Listed
  • Peace of Mind Warranty
    Residential and Commercial

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Product Comparison

Model Storage (gal) 1st Hour Output (gal) Continuous Flow (gal/min) 10 Minute Peak Flow (gal) Boiler Output (mbh)
Smart 80 70 460 6. 100 300
Smart 100 95 525 7.5 150 337
Smart 120 119 650 9.3 190 420