Navien NPE-240S, 11.2 GPM Condensing Gas Tankless Water Heater

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*Ultra High Efficiency: 99% EF *2" PVC, CPVC, or Polypropylene Venting *Natural Gas or Propane (LP) compatible *11.2 GPM at 35 F *Indoor or Outdoor (Vent Cap Not Included)
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Navien NPE-240S 199,000 BTU Condensing PremiumGas Tankless Water Heater

Navien has been pushing the boundaries of efficiency for 25 years. The NPE-240S is a result of their dedication to providing an effective and green water heating unit. The NPE-240S and all Navien models utilize condensing technology which captures additional heat lost by typical water heaters. The Navien NPE-240S's energy factor is superior to both traditional water heaters and noncondensing tankless models. Reduced vent temperatures due to this condensing technology allow you to use PVC venting, which saves you money and contributes to the ease of installation. The Navien NPE-240S has excellent technology for reducing your heating costs and carbon footprint.

Product Features:
Help the Environment
The Navien NPE-240S will reduce your home's impact on the environment. Eco Pre-mixed Burners reduce CO and NOx emissions by combining gas heating and air before ignition. The result is a nearly 75% reduction in polluting emissions. In fact, an installed Navien NPE-240S reduces CO2 by the same amount as 31 cypress trees.

Incredible Efficiency
Navien products reduce energy consumption without sacrificing comfort. Their tankless models, such as this one, only heat water when you need it, reducing energy expenditure. Also, the NPE-240S uses a secondary heat exchanger to transform condensation and exhaust into additional heat. This reduces the ventilation temperature and increases the energy factor. The NPE-240S's efficiency translates directly into savings on operation costs for you!

Tremendous Durability
The Navien NPE-240S uses stainless steel for the Eco Pre-mixed Burner as well as both heat exchangers. This prevents corrosion and increases the lifespan of your NPE-240S. 

A Product You Can Trust
Navien products are recognized by an array of organizations. The NPE-240S is certified by Energy Star; the Air-Conditioning, Heating and Refrigeration Institute; the Canadian Standards Association; and the National Sanitation Foundation.

Product Includes:

  • (1) Wall Mounting Bracket
  • (4) Tapping Screw & Anchor
  • (2) Vent Terminator
  • (4) Wall Flange

Product Specifications:

General Data
Fuel Source Natural Gas
Vent Type Direct Vent
Storage Type Tankless
Installation Location Indoor/Outdoor
Gas Conversion Kit Included
Performance Data
Flow Rate at 45F Temperature Rise (GPM) 8.7
Maximum Input Capacity (BTU) 199900
Minimum Input Capacity (BTU) 19900
Energy Factor 0.99
Minimum Flow Rate (GPM) 0.5
Electrical Data
Voltage (Volts) 120
Phase 1
Frequency (Hertz) 60
Primary Vent Pipe Diameter (Inches) 3
Gas Connection Size (Inches) 3/4
Cold Water Inlet (Inches) 3/4
Hot Water Outlet (Inches) 3/4
Product Height (Inches) 27 2/5
Product Width (Inches) 17 3/10
Product Depth (Inches) 13 1/5
Product Weight (Pounds) 75
Energy Star Listed Yes
CSA Listed Yes
AHRI Certified Yes
NSF Listed Yes
More Information
Weight 85.0000
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