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Navien NPE-240A2 199,000 BTU High Efficiency Tankless Water Heater

Navien NPE-240A2 199,000 BTU High Efficiency Tankless Water Heater

Regular price $1,789.00 USD
Regular price Sale price $1,789.00 USD
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🔥 Navien NPE-240A2-NG Tankless Water Heater – 199,000 BTU with Built-In Recirculation Pump

The Navien NPE-240A2-NG is a premium, high-efficiency condensing tankless water heater designed for homes and commercial spaces that demand nonstop hot water and maximum energy savings. With up to 199,000 BTU/h output and 11.2 GPM flow capacity, it effortlessly supplies multiple fixtures at once — ideal for large households or light commercial use.

Engineered for performance and convenience, this unit features a built-in recirculation pump, dual stainless steel heat exchangers, smart Wi-Fi compatibility, and a compact wall-mounted design. It’s field convertible for propane, venting-flexible, and equipped with advanced controls and diagnostics for efficient, safe operation.


At a Glance
🔥 199,000 BTU Heat Output – Powerful enough for large homes & businesses
🚿 11.2 GPM Flow Rate – Handles multiple showers and appliances at once
🌀 Built-In Recirculation Pump – Faster hot water, less waste
📶 Wi-Fi Ready – Smart monitoring and control with optional module
🔁 Natural Gas or Propane – Easily convertible with included kit
🏡 Indoor or Outdoor Installation – Versatile venting options
📏 Space-Saving Design – Wall-hung unit with zero-clearance venting

⭐ Best for homes with 3+ bathrooms or high-demand commercial setups. Ships fast from the U.S. with expert support available.


Key Features

  • Up to 199,900 BTU/h heating capacity (natural gas or propane)

  • Ultra-condensing stainless steel dual heat exchangers for maximum efficiency and durability

  • Built-in recirculation pump for faster hot water delivery and water savings

  • Smart EZNav control panel with intuitive interface and built-in HotButton panel

  • Cascading capable – link up to 12 units for larger applications

  • Low NOx emissions (20ppm) for environmental compliance


📦 What’s Included

  • (1) Navien NPE-240A2 Unit

  • (1) Conversion Kit (NG/LP)

  • (1) Wall Mounting Bracket

  • (4) Tapping Screws & Anchors

  • (2) 2" Vent Termination Caps

  • (4) 2" Wall Flanges


📐 Performance & Flow Rates

  • UEF (Efficiency): 0.95

  • 11.2 GPM @ 35°F rise

  • 8.7 GPM @ 45°F rise

  • 5.6 GPM @ 67°F rise

  • Minimum Activation: 0.5 GPM (or 0.01 GPM with optional setting)


🔧 Installation & Compatibility

  • Venting: 2" or 3" PVC, CPVC, polypropylene, or stainless steel

  • Installation: Indoor or outdoor wall-hung

  • Certified for use up to 10,100 ft elevation

  • Field convertible between natural gas and propane

  • Zero-clearance to combustibles


📊 Technical Specs

  • Dimensions: 17.3" W x 27.4" H x 13.2" D

  • Weight: 77 lbs

  • Gas Pressure (NG): 3.5"–10.5" WC

  • Gas Pressure (LP): 8"–13" WC

  • Water Pressure Range: 15–150 PSI

  • Power: 120V AC, 60Hz, 200W max


🛡️ Safety Features

  • Flame rod detection

  • High-limit temperature & exhaust sensors

  • APS (Air Pressure Switch)

  • Power surge and burner fuses

  • Vent installation detector


💡 Applications

  • Large residential homes with multiple bathrooms

  • Light commercial settings like restaurants and offices

  • Contractor installations needing high-performance hot water

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