Free shipping on all Orders - 30 days Money Back Guarantee
Navien

NPE-240S2 – Condensing Tankless Water Heater – 199,000 BTU

$565.05

Taxes calculated at checkout. Free shipping on every order, with no minimum spend.

Available to order

  • Free shipping on every order, with no minimum spend
  • 30 days money back guarantee
  • Secure checkout
  • Support Monday to Friday, 09:00 - 17:00
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Mastercard
  • Visa

Navien NPE-240S2 – Condensing Tankless Water Heater – 199,000 BTU

The Navien NPE-240S2 is a premium condensing tankless water heater built to deliver reliable, high-capacity hot water for residential or commercial applications. With a powerful input range of 13,300 to 199,900 BTU/h and an impressive 0.96 UEF, it's ENERGY STAR® certified for efficiency and performance. This unit delivers up to 11.2 gallons per minute at a 35°F temperature rise and operates at flow rates as low as 0.5 GPM, making it ideal for both large-volume and low-demand applications.

Designed for indoor or outdoor wall-hung installation, the NPE-240S2 features ultra condensing technology and durable dual stainless steel heat exchangers. It includes the intuitive EZNav™ control panel with a built-in HotButton™ interface and is compatible with NaviLink™ for remote access. The unit is field convertible between natural gas and propane and supports cascading of up to 12 units for expanded demand. With ultra-low NOx emissions and 1/2" gas line compatibility up to 24 feet, it offers maximum flexibility for a wide range of installations.

199,900 BTU/h input with 0.96 UEF efficiency Up to 11.2 GPM at 35°F temperature rise Dual stainless steel heat exchangers Ultra condensing performance Low NOx emissions (20 ppm) Minimum flow rate: 0.5 GPM Indoor or outdoor wall-hung installation Field convertible gas system (NG or LP) EZNav™ control panel with HotButton™ interface Cascading capable with up to 12 units Common venting capable 1/2" gas pipe compatible up to 24 ft 2" venting up to 60 ft, 3" venting up to 150 ft 3/4" NPT connections for gas, hot, and cold water 120V, 60Hz, single-phase power supply CSA Listed, AHRI Certified, ENERGY STAR®, NSF Listed Applications

Residential homes with high simultaneous water demand Light commercial hot water systems Indoor or outdoor installations needing compact, wall-mounted design Projects requiring gas and venting flexibility Multi-unit cascade-ready setups PNAV000037

Specification

Brand Navien
Model NPE-240S2
Type Tankless Water Heater
Flow 0.5 GPM
Input 199,000 MBH
Power source Dual Fuel
Condition New

OutdoorSupply is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.

Every order ships free, with no minimum spend. Larger items such as refrigerators, generators, boilers and pressure washers travel by freight carrier and are delivered kerbside on a pallet.

Returns are accepted for 30 days from delivery on unused items in their original packaging. See the Return & Refund Policy for the full terms.

Quality Products
Secure Checkout
Helpful Support
Easy Online Ordering