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S20W Series

Space Saving High-Performance Wall-Mounted Indirect Water HeaterPound 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.

Fully pickled and passivated, the 444 Stainless Steel tank and coil come in a wall-mounted package complete with a metal jacket to complement the quality look and feel of the NTI boiler line. The CFC-free 2” ultra high density EPS insulation ensures low standby losses and each unit comes complete with a thermostatic mixing valve, tank sensor and T&P valve. A hand hole at the top of the tank allows for inspection and cleaning.

Also available is an optional floor stand, NTI Part # 86998.

Key Features

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

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S20W
Storage capacity
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Tank material
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Coil material
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Insulation
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Weight empty
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Weight filled
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Hour 1 recovery, 140°F
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Hour 1 recovery, 115°F
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Boiler output
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Coil flow rate
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Coil drop (Feet)
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Continuous recovery, 140°F
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Continuous recovery, 115°F
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