Takagi TK-320C-NI Indoor Tankless Water Heater w/ Concentric Vent, Natural/Propane Gas Convertible, 190KBTU
Brand: Takagi
Part#: TK-310C-NI
Usually ships: within 5-7 business days
Takagi TK-310C-NI model is a non-condensing indoor natural gas (convertible to propane w/ kit included) tankless water heater with concentric type vent, intended for small to medium residential applications.

  • Ultra-Low NOx
  • Concentric venting
  • Field convertible from natural gas to propane
  • Easy-Link up to 4 units (no additional parts or accessories needed)
  • Multi-link up to 20 units
  • Built-in freeze protection
  • Safety features include Manual Reset Hi Limit (up to 194°F), Overheat Cutoff, Inlet & Outlet Thermistors for constant temperature monitoring, Air/Fuel ratio rod, Flame Sensor, etc.
  • Lead-free compliant
  • Complies with SCAQMD Rule 1146.2 (California & Texas)
  • AHRI certified.
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Technical Specifications:
  • Shower capacity at 70F (warm climates): 3.5 showers
  • Shower capacity at 50F (cooler climates): 2.5 showers
  • Fuel Type: Natural Gas (Propane conversion kit is included)
  • Gas Connections: 3/4" NPT
  • Gas Consumption Input: 15,000-190,000 BTU/H
  • Inlet Gas Pressure: 5.0-10.5" in W.C. (for Natural Gas)
  • 8.0-14.0" in W.C. (for Propane)
  • UEF: 0.82
  • Energy Factor (EF): 0.82
  • Hot/Cold Connections: 3/4" NPT
  • Water Connection Locations: Bottom
  • Max GPM: 8
  • Dimensions (H x W x D): 20-1/2" x 13-3/4" x 10-1/2"
  • Weight: 51 lbs
  • LEED Rating: 0.0
  • Emissions: less than 14 ng/J
  • Venting: 3"/5" Concentric Vent
  • Max. Vent Length: 43ft, (4) elbows max
  • Max. Elevation: 10,100 ft
  • Power Source: 120V/60Hz.
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15-year limited warranty on heat exchanger in residential applications/10-year limited warranty on heat exchanger in commercial applications/5-year limited warranty on all parts