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

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

Model NPE-180S2Tankless Water Heaters

$483.35 Sales tax calculated at checkout
Bundle & Save Mix & match anything under $550 · taken off in the cart, no code

Build a bundle

This item + any of these count toward Bundle & Save
  • Free tracked delivery3–5 business days after dispatch to most US addresses; 5–8 to Alaska, Hawaii and US territories.
  • 30-day returnsUnused, in its packaging. Faulty or damaged on arrival, we pay the return; a change of mind, you do.
  • Secure checkoutPayment is handled and encrypted by Shopify Checkout.

Overview

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 8.4 gallons per minute at a 35°F 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 2" venting up to 60 feet and 1/2" gas line capability up to 24 feet, offering flexible, space-saving installation options.

Up to 150,000 BTU/h input capacity 0.96 UEF and Energy Star certified Flow rate: 8.4 GPM at 35°F 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: 2" PVC up to 60 feet 1/2" gas pipe capable up to 24 feet Gas connection: 3/4" NPT Water connections: 3/4" 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

Specification

Brand Navien
Model NPE-180S2
Type Tankless Water Heater
Flow 8.4 GPM
Input 150,000 MBH
Power source Gas
Condition New

Appliances Corner Store 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.

Good to know

When will it arrive?

Orders placed before 2:00 pm ET on a business day ship the same day from Orlando; Saturday orders before 1:00 pm ET go out that afternoon. After that, it ships the next business day.

Delivery takes 3–5 business days after dispatch to most US addresses, and 5–8 to Alaska, Hawaii and US territories.

Can I return it?

Yes — tell us within 30 days of delivery and send it back unused, in its packaging, for a full refund. If it is faulty, damaged in transit or not as described, we pay the return; if you have changed your mind, the return shipping is yours, and we quote it before anything is booked.

Read the full returns policy

How does Bundle & Save work?

Every item marked Bundle & Save counts (single items under $550), and you can mix them: 2 items save 5%, 3 save 10%, 5 or more save 15%. The saving is taken off automatically in the cart — there is no code to enter.

Do I need to be in for the delivery?

Orders over $150 ship with signature on delivery, so a missing parcel can be claimed. Your tracking number is emailed the moment the label prints.

NPE-180S2 – Condensing Tankless Water Heater – 150,000 BTU $483.35

You might also like

More Tankless Water Heaters