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Takagi TK-540P-NIH Indoor Tankless Water Heater w/ Recirculation Pump, Natural Gas, 199KBTU Takagi
Takagi TK-540P-NIH Indoor Tankless Water Heater w/ Recirculation Pump, Natural Gas, 199KBTU
Brand: Takagi
Part#: TK-540P-NIH
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Description

Takagi TK-540P-NIH model is a model is a high-efficiency condensing indoor 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.

Features:
  • Fully modulating, high-efficiency condensing design with commercial copper primary and 316L secondary heat exchangers, 0.93 UEF
  • Model with built-in DHW (Domestic Hot Water) recirculation pump (up to 100ft with 1/2" pipe and up to 500ft with 3/4")
  • Factory-installed power cord with plug
  • Up to 10 GPM max flow rate
  • Easy-link up to 4 units (no additional parts or accessories needed) and multi-link (cascade) up to 20 units
  • Common vent up to 8 units
  • Built-in safety features include freeze protection, air-fuel ratio sensor, exhaust & water temperature control, overheat cut-off fuse
  • Flexibility in venting options (Cat. IV - PVC, CPVC, PP or Cat III - St. Steel)
  • Electronic ignition - no pilot light
  • Temperature & pump controller on front panel
  • Wall-mounting design with integrated brackets
  • AHRI certified, Low-Lead compliant, Low NOx (SCAQMD Rule 1146.2 - California & Texas, NG models only)

Technical Specifications:
  • Shower Capacity: 4 - 3 Showers (5 GPM @ 75°F rise; 7.5 GPM @ 50°F rise; 10 GPM @ 38°F rise)
  • Min Flow: 0.4 GPM
  • Gas Input (Min - Max): 15,000 - 199,000 BTU/h
  • Fuel Type: Natural Gas (4 - 10.5 WC pressure)
  • UEF: 0.93
  • Hot & Cold Water Connections: 3/4" NPT
  • Gas Connection: 3/4" NPT
  • Recirculation Connection: 3/4" NPT
  • Flue and Air Intake Connections: 4" Default (up to 100ft of pipe length equivalent) or 3" Optional (up to 70ft)
  • Vent Pipe Material: PolyPropylene (recommended), PVC (solid core only) or Category III Stainless Steel
  • Installation Altitude: 0 - 2,000 (de-rate for higher elevations, up to 10,100ft max - see manual for details)
  • Power Supply: 120V, 60Hz (factory wired plug-in cord)
  • Dimensions: 17-3/4" Wide x 24-7/8" High x 11-1/4" Deep
  • Weight: 60 lbs

Warranty:
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

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