NCB 750
European-style luxurious condensing boiler
KD Navien green technology puts high priority on people, nature, and the future.
KD Navien's eco-friendly boiler minimizes CO2 (greenhouse gas) and nitrogen oxide (pollutant), and it uses high heat efficiency to conserve energy resources.
Saving gas charges by 28.4% at maximum
The condensing boiler not only helps to reduce fine dust by lowering nitrogen oxide emissions, but also restrains the greenhouse effect by reducing CO2 by 479kg per year. This amount of CO2 reduction is equivalent to planting 208 pine trees.
Talking indoor thermostat
By voice guidance
Even the elderly can easily use this by using the room control's voice guidance
The product adopts a high-quality integral stainless heat exchanger.
- Lifespan is 3.8 - 4.5 times longer than other heat exchangers, thanks to its resistance to corrosion and erosion.
- Most advanced stainless heat exchange technology in Korea
Eco-premix burner
A smaller flame leads to reduced gas consumption and eco-friendly use.
- Burner system optimized for condensing
- Reduces gas consumption by precisely controlling the flame by 1/10
- Design enhances durability and low noise
The optimized design allows fast, one-step service.
The bypass that promotes more stable heating is applied.
The fine temperature control solves the problem of temperature fluctuation.
ASA control uses new technology to control the size of the flame and heating speed for each housing environment and temperature change based on multi-sensors.
The product uses Navien’s technology and knowhow to swiftly supply hot water. It maintains a constant amount of hot water at a certain temperature, even when hot water is used simultaneously in several places.
- 30 - 60℃ at1 1℃ intervals
Every detail is handled for your family's happiness and safety!
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State-of-the-art digital gas & air proportional controlPrecise digital combustion method! Optimal combustion is realized by controlling the amount of gas and air with an advanced digital method.
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Dual CPU for dual detectionThe Double Safety System uses 2 CPUs to monitor the boiler 24 hours a day.
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Smart freeze prevention systemThe design effectively prevents the freezing of hot water pipes.
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Part failure notificationsA/S can be swiftly provided in response to part failure notifications.
Talking Indoor thermostat
- LED night mode for the large-sized LCD
- LCD lamp for each function with large font labels
- Ability to check boiler operation time on a cycle of several hours
- Hot water supply that's ready fast
