Condensing Gas Boiler

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Condensing Smart TOK premium

Condensing boiler at a wholly new level of performance

First in the boiler industry to offer smartphone control
Control the boiler at your home by smartphone whenever you want.
KD Navien’s smartphone control technology makes your daily life more convenient
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  • Control your boiler,
    even if you're away on a trip.
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  • Never worry about
    your children feeling too cold.
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  • Set the perfect temperature
    before bed for a comfortable night's rest.
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  • Turn up your home's temperature from the office
    so that it's warm by the time you arrive.
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First in the boiler industry to offer smartphone control
Control the boiler at your home by smartphone whenever you want.
KD Navien’s smartphone control technology makes your daily life more convenient.
Smart TOK appUse the app as follows!
  1. Turn on/off the boiler
  2. Control the temperature of heating/hot water
  3. Set up the repetitive heating
  4. Reserve heating for 24 hours
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Boiler connected to the Internet of Things (IoT)!

Your boiler can now help you enjoy a smart life, anywhere and anytime. You can use the remote control system, which uses IoT technology, through your smartphone, to control your boiler.

 
Earned 1st grade in the energy consumption efficiency rating system to help save the earth!

Saving gas charges by 28.4% at maximum

The eco-friendly boiler minimizes carbon dioxide (greenhouse gas) and nitrogen oxide (pollutant) and saves energy resources by high heat efficiency. In addition to the reduction of fine dust, this boiler helps prevent the greenhouse effect by reducing CO2 by 479kg per year. This is equivalent to planting 208 pine trees.

 
 
Korea’s most reputable boiler technology enhances both heat efficiency and durability.

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

Precise and automatic flame control saves gas charges.
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 smart pump optimally operates the boiler for a temperature customized to your home, helping you save electric charges.

The boiler can operate the pump at three different levels: high for more heating and low for less heating.
You can save electric charges by operating the boiler based on your needs.
The smart pump also reduces noise through quiet boiler operation.
You can reliably use the product for a long time without any failure, thanks to the pump's extended lifespan.

 
 
This new ASA heating allows a boiler to precisely control temperature on its own.

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.

Smarter tech with dual sensing control Save more on gas charges!

Dual sensing control is the secret behind comfortable floor-type heating.

As the temperature of water after heating a room is checked once more, this product not only realizes more comfortable heating than existing boilers, but also saves more gas charges.

 
 
Ultra-fast hot water supply No temperature fluctuation in hot water temperature

No temperature fluctuation in hot water temperature
Hot water at the temperature you want can be supplied faster compared to existing boilers!
Enjoy plenty of hot water even sooner!

Hot water control with high precision within 0.5℃

- 30 - 60℃ at1 0.5℃ intervals

 
Smart safety function protects your family!

Every detail is handled for your family's happiness and safety!

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    State-of-the-art digital gas & air proportional control

    Precise digital combustion method!Optimal combustion is realized by controlling the amount of gas and air with an advanced digital method.

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    Safe combustion system that effectively uses low pressure

    This secured combustion system allows using plenty of heating and hot water even in winter when the amount of gas use is high and ensuring performance of 100% even when gas pressure is low.

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    Dual CPU for dual detection

    The Double Safety System uses 2 CPUs to monitor the boiler 24 hours a day.

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    Smart freeze prevention system

    The design effectively prevents the freezing of hot water pipes.

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    Smart A/S information check

    Room control can be used to check the boiler model name and error history.

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    Part failure notifications

    A/S can be swiftly provided in response to part failure notifications.

 
NR-30D

Talking Controller

- 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

 
More convenient
Talking Controller
By voice guidance

Even the elderly can easily use this by using the room control's voice guidance

This boiler can control its heating using low, middle, and high level settings, like an air conditioner.

You can use the heating level that's best for your home: low for a house with good heat insulation and high for a house with strong outside wind.
The boiler heating level can be adjusted to low, middle, and high.
This customized heating is a new concept that can help you save on gas charges. Save your money in a smart way!

 
 
The boiler runs so quietly that it seems to have no sound.

It reduces noise by 11% compared to existing boilers by using multi-layered soundproof design that absorbs noise.

Smart care service deals with any minor failures in advance.

When a problem occurs in the boiler, this service sends customers a message with information about the failure.
After automatically analyzing the failure, we provide troubleshooting guidance by phone or swiftly handle the issue by sending a technician, depending on the level of severity.