Navien NPE-180S2, 150,000 BTU Tankless Water Heater | Calgary Installation

The Navien NPE-180S2 is a high-efficiency standard model tankless water heater built to deliver reliable, endless hot water with exceptional energy savings. With a 150,000 BTU max input, it’s ideal for smaller to mid-sized Calgary homes that want consistent performance without the added recirculation system found in the A-Series.

Engineered with ultra-condensing technology and dual stainless steel heat exchangers, the NPE-180S2 delivers long-lasting durability and reduced energy use. Its flexible venting, low NOx emissions, and full EZNav diagnostic control panel make it a strong choice for efficient, low-maintenance operation.

Key Features

• Max Input: 150,000 BTU/H

• Ultra-Condensing Efficiency for lower operating costs

• Field-Convertible Gas System (NG/LP)

• Dual Stainless Steel Heat Exchangers for durability

• Low NOx Emissions: 20 ppm

• Venting: SCH 40, 2″ up to 75′

• Cascading Capable for higher demand applications

• Common Venting: Up to 12 units

• EZNav Multi-Line Control Panel

• Built-In HotButton Control Panel