Home / Navien NPE-180S2 Condensing Tankless Water Heater
  • Navien NPE-180S2 Condensing Tankless Water Heater
  • Navien NPE-180S2 Condensing Tankless Water Heater

Navien NPE-180S2 Condensing Tankless Water Heater

Quantity
ADD TO CART
BUY IT NOW
  • Detail

    Navien NPE-180S2 - Condensing Tankless Water Heater - 150,000 BTU

    The Navien NPE-180S2 is a high-efficiency condensing tankless water heater built to provide continuous hot water for residential homes. With an input range of 15,000 to 150,000 BTU per hour and a Uniform Energy Factor of 0.96, this unit is Energy Star certified and delivers reliable performance with reduced energy costs. It supports flow rates up to 31.8 L per minute at a 1.7 °C rise, making it well-suited for homes with multiple bathrooms or simultaneous hot water needs.

    Engineered with dual stainless steel heat exchangers for enhanced durability and ultra condensing performance, the NPE-180S2 is designed for indoor or outdoor wall-hung installation. It includes the EZNav™ multi-line control panel with integrated HotButton™ control and supports cascading with up to 32 units using Navien’s Ready-Link system. Approved for direct venting, it supports 5.1 cm venting up to 1828.8 cm and 1/5.1 cm gas line capability up to 731.5 cm, offering flexible, space-saving installation options.

    Features

    • Up to 150,000 BTU/h input capacity
    • 0.96 UEF and Energy Star certified
    • Flow rate: 8.4 GPM at 1.7 °C rise
    • Dual stainless steel heat exchangers
    • Ultra condensing efficiency
    • Low NOx emissions (20 ppm)
    • Field convertible gas system (NG/LP)
    • Indoor or outdoor wall-hung installation
    • EZNav™ control panel with HotButton™
    • Cascading capable with up to 32 units via Ready-Link
    • Direct venting: 5.1 cm PVC up to 1828.8 cm
    • 1/5.1 cm gas pipe capable up to 731.5 cm
    • Gas connection: 3/10.2 cm NPT
    • Water connections: 3/10.2 cm hot and cold
    • 120V, single phase operation

    Applications

    • Residential homes with high hot water demand
    • Multi-bathroom households
    • Compact installations needing wall-hung systems
    • Projects requiring venting and gas line flexibility
    • Multi-unit cascade setups for greater capacity

    Product Includes

    • 1 -  Wall Mounting Bracket
    • 4 - Tapping Screw and Anchor
    • 2 - Vent Terminator
    • 4 - Wall Flanges

    PNAV000021