Tankless Water Heaters

About Navien Tankless Water Heaters

NPE-240A2 Tankless Water Heater:

Ultra Condensing Efficiency

• Navien’s Condensing Technology offers the high efficiency.
• Money and energy savings over tank type water heaters and traditional water heaters.

Two Stainless Steel Heat Exchangers

• Provides longer life expectancy as they are highly resistant to corrosion and erosion compared to copper heat exchangers.
• Reduces minerals deposits.

Less Water Pressure Drop

• Simple modular for water path minimizes water pressure drop.
• Modular design for water path make maintenance easier and service can be performed easily in the field.

Intelligent Preheating Technology

• Recognizes hot water usage patterns to intelligently provide hot water when needed.
• Eliminates cold water sandwich.
• Saves water with the reduced time to get hot water.
• Saves money with built-in recirculation system.
• Intelligent pre-heating function.



NCB-240 Gas Combi Boiler:

Ultra Condensing Efficiency

• Navien’s Condensing Technology offers the high efficiency.
• Money and energy savings over tank type water heaters and traditional water heaters.

Two Stainless Steel Heat Exchangers

• Provides longer life expectancy as they are highly resistant to corrosion and erosion compared to copper heat exchangers.
• Reduces minerals deposits.

​Hydronic Heating Benefits

• Clean: little chance to cause dust or lower humidity because there is no air movement.
• Silent: offers silent heating because no blowers are needed for forced circulation.
• Comfort: keeps floors warm but indoor air fresh, making people feel warm and comfortable.
• Coverage: radiant heat makes heating from floor to ceiling possible.
• Economical: radiant heat in the floors can transmit warmth throughout the house hours after turning off the heater.