Takagi TK-540P-NEH Outdoor Tankless Water Heater w/ Recirculation Pump, Natural Gas, 199KBTU
Brand: Takagi
Part#: TK-540P-NEH
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Usually ships: within 1 business days
Takagi TK-540P-NEH model is a model is a high-efficiency condensing outdoor natural gas tankless water heater with a built-in hot water recirculation pump (for systems with a dedicated hot water return line). Intended for medium to large residential applications.

  • Ultra-Low NOx
  • Integrated recirculation pump for a dedicated hot water return line (up to 200ft eqivalent for 1/2" pipe or up to 500ft for 3/4")
  • Energy Star qualified, high-efficiency condensing model
  • Remote temperature controller included
  • No vent piping needed
  • Built-in freeze protection
  • Air-fuel ratio (AFR) sensor
  • Exhaust & water temperature safety control
  • Overheat cut-off fuse
  • Certified by CSA accroding to ANSI Z21.10.3
  • Complies with Lead Free standards
  • Meets SCAQMD Rule 1146.2 (California & Texas)
  • AHRI certified.
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Technical Specifications:
  • Shower capacity at 70F (warm climates): 4.5 showers
  • Shower capacity at 50F (cooler climates): 3 showers
  • Fuel Type: Natural Gas
  • Gas Connections: 3/4" NPT
  • Gas Consumption Input: 15,000-199,000 BTU/H
  • Inlet Gas Pressure: 4.0-10.5" in W.C.
  • UEF: 0.95
  • Energy Factor (EF): 0.95
  • Hot/Cold Connections: 3/4" NPT
  • Water Connection Locations: Bottom
  • Max GPM: 10
  • Dimensions (H x W x D): 23-5/8" x 17-3/4" x 11-1/4"
  • Weight: 61lbs
  • LEED Rating: 1.5
  • Emissions: less than 14 ng/J
  • Max. Elevation: 6,000 ft
  • Power Source: 120V/60Hz.
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15-year limited warranty on heat exchanger in residential applications/6-year limited warranty on heat exchanger in commercial applications/5-year limited warranty on all parts