Efficient, Powerful, and Built to Perform.
The Navien NPE-240S2 is a premium condensing tankless water heater designed for residential use. With an impressive 199,000 BTU/h capacity and up to 11.2 GPM flow rate, it’s perfect for large households with high hot water demand.
Featuring dual stainless steel heat exchangers, this unit delivers outstanding durability and energy efficiency in a space-saving wall-mounted design. Whether you’re running multiple showers or appliances, the NPE-240S2 ensures you never run out of hot water.
BTU Input: 199,000 BTU/h
Flow Rate: Up to 11.2 GPM
Efficiency: Up to 0.95 UEF
Heat Exchangers: Dual stainless steel for long-lasting performance
Fuel Type: Natural Gas or Propane
Installation: Indoor or Outdoor
Ultra-Compact Size: 17.3" (W) x 13.2" (D) x 27.4" (H)
Weight: Approx. 82 lbs