Buffer Tank Eliminates ‘Cold Water Sandwich’ Common in Tankless Units

Navien’s NPE-A series innovative ComfortFlow technologyNavien’s NPE-A series innovative ComfortFlow technology

Navien’s NPE-A series innovative ComfortFlow technology

Navien’s NPE-A series innovative ComfortFlow technology

Navien’s NPE-A series innovative ComfortFlow technology incorporates a built-in buffer tank and recirculation pump inside the unit to provide a zero GPM activation rate. Additionally, with the ComfortFlow buffer tank, the “cold water sandwich”, common in other tankless units, is eliminated. With a return line, the pump saves thousands of gallons of water per year.

Additional Navien NPE standard features include: dual stainless steel heat exchangers, 1/2-inch gas lines up to 24 feet and 2-inch PVC venting up to 60 feet. These technical advances make the NPE-A series ideal for commercial and residential tank water heater replacement as well as new construction.

Navien.com

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