Condensing Water Heater

Air/gas ratio control condensing gas water heater
which the annual efficiency achieved 97% and has
been exported to North America

Condensing Water Heater

Masterpiece made from 40 years of Kiturami craftsmanship

  • Air/gas ratio control condensing gas water heater which the annual efficiencyachieved 97% and has been exported to North America
  • High heat efficiency and strong durability according to integrated full stainless heat exchanger
  • You can control gas flow (Turn Down Ratio) up to 10:1 and use direct water flowvalue to supply hot water always uniformly at target temperature set by 1°Ceven if you use very small amount of hot water under 5L.
  • Easy to switch between LPG and LNG depending on your condition
  • An air/gas ratio control valve is used to control gas volume according toair volume to achieve low noise and burn stably even when the flue isup to 10M long and bent up to 5 times.

Eco-friendly low-NOx boiler

  • We've achieved a Korean NOx Grade 1 by producing a small amount ofNOx through the surface combustion of a specialized metal-fiber burner.

Boiler with utmost safety

  • A gas leak detector is provided to avoid explosion or poisoning due to gas leakage.
  • A seismic detector is provided to stop boiler operation when detecting a 4~5-magnitutde earthquake or vibration.

Internal Structure

  • 1) Kiturami's exclusive built-in gas leak detector

    The safest device to stop boiler operation and warn of gas leakage when gas is exploded or wastegas (burned gas) is leaked

  • 2) Seismic detector

    The safest device (applied cutting-edge gyroscope-type technology) to prevent gas explosion and fire and reduce any secondary damage when detecting 4~5-magnitutde earthquake or vibrationand considering the status of Korea where is no longer safe from earthquake

  • 3) Air/Gas Ratio Control Valve

    Eco-friendly combustion control technology tocontrol gas volume automatically according toair volume (up to 10M long and 5 times)

  • 4) Eco-friendly burner

    Produces low-NOx, CO emission, high combustionefficiency and low noise by adopting premix typecombustion method and metal fiber burner.

  • 5) Premix fan

  • 6) Gas/air mixer

  • 7) Heat exchanger

  • 8) Mixing valve

  • 9) Condensate water trap

  • 10) Controller

  • 11) Flow control valve

  • 12) Secondary heat exchanger

Convenient, easy-to-use controller with various functions(P-950H)

You can use various functions including leave, bath, schedule, etc. through very intuitive room controller.

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Features and Benefits of Cascade System

Energy saving hot-water heating system to install and integrate multiple water heaters and boilers with smallcapacity instead of one hot-water heating boiler in large capacity, control hot water supply or heating room withone integrated temperature controller, and provide hot water or heating just as much as required




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  • Extensible capacity as much as required and savingmaintenance and management expenses

    In existing medium-large boiler and water heater system,you should the whole medium-large boiler and water heatereven if you want just a little bit of heating and/or hot water.However, since cascade system lets you design capacityorganization when installing, you can operate the boiler orwater heater up to the required capacity. It helps you saveenergy expenses and management expenses such asmaintenance and troubleshooting.

  • Easy to install and move

    If you install a medium-large boiler, you should bear excessivetransportation charge and wastefulness expenses and needwide space. If you install Kiturami cascade system withmultiple compact wall-mount type boilers, you can make thebest use of space without special space limitations.

  • Even if a boiler is broken, use the rest.

    In the cascade system, multiple products are connected inparallel. If a product is broken, you can use the systemcontinuously because the rest will work normally.

  • Easy to control

    The cascade central control system lets you manipulate theproduct easily and conveniently through the computer screen.Because one temperature controller is enough to control thesystem, you don't need to ask for help from a qualified boilertechnician.

Features, Benefits, and Effects of Cascade System


  • Storage type condensing ASME H heat exchanger

    Corrosion-proof and durable stainless (ASTM-316L) heatexchanger equipped with heat/secondary heat-integratedoval type fire tube and exported to North America
    ※ ASME H certified heat exchanger: achieved quality and system certificationby product according to ASME CODE SECTION Ⅳ of American Society ofMechanical Engineers (ASME) which was made to ensure safety for boilerand pressure vessel used in whole industries.

  • Kiturami downward combustion type eco-friendly burner

    Eco-friendly technology which emits log- NOx and CO andspecial ceramic mat to prevent transformation or crack


    Kiturami's exclusive built-in gas leak detector

    The safest device to stop boiler operation and warn of gas leakagewhen gas is exploded or waste gas (burned gas) is leaked

  • Multi purpose damper with multiple functions of heatquantity control (TDR 10:1), headwind prevention,and freeze-protection is used.

    By adopting exhaust gas back draft damper to prevent externalair inhaled when not in use, headwind prevention function andfreeze-protection function are built in (got approval to installcomplex exhaust pipe from Korea Gas Safety Corporation).Because the storage type heat exchanger (13L) has moreirrigation capacity than that of a tankless heat exchanger(approximately 1L), you don't need to worry about overheatingor boiling.

  • Quick heating by adopting storage type structure

    Storage type heat exchanger structure has half of less pressuredrop than that of tankless type structure and circulates morequantity of heat to heat up the room with much load ofirrigation quickly.



  • Energy saving

    • High-efficiency operation through the use of condensation technology
    • Partial operation via control system


    Enhanced maintenance

    • Easy to install and efficient to maintain
    • Easy to add boiler if hot water supply or heating load is increased


    Reduced initial cost

    • Cheaper equipment price if considering heat quantity
    • Easy to move and install in narrower place thanks to small size


    Enhanced boiler capacity options and hygiene

    • Growing boiler capacity efficiently
    • Quick hot water supply to prevent water pollution


    Convenient construct ability

    • Integrated modular type to reduce construction period
    • Improved construct ability by small equipment and PVC flue


    Comfort and convenience

    • Comfort living environment according to quiet operation
    • Easy to use by using front controller and cabled\ remote control

Kiturami, with a half century of history,
is Korea's No. 1 boiler!

Korea-leading company, Kiturami Boiler has grown up based on customer trust.
Now, we move ahead to the world.

Kiturami Boiler Promotion Movie Clip

  • 2016년 18년 연속 가정용보일러 브랜드파워 1위
  • 2007년 9년 연속 품질 경쟁력 우수기업 수상
  • 2015년 15년 연속 여성소비자가 뽑은 좋은 기업 대상
  • 2007년 KS제품 품질 우수 기업 선정
  • 2016년 9년 연속 국가브랜드 경쟁력지수 1위
  • 2009년 가정용보일러A/S부문 서비스품질 1위
Type Unit GCWH-199
DHW output kW (kcal/h) 55.8 (48,000)
Hot water Capacity L/min (Water Temp.+Δ25℃) 32.0
L/min (Water Temp.+Δ40℃) 20
Efficiency LNG (town gas) %, Total (진), FF/FE 97.1 /  95.9
LPG %, Total (진), FF/FE 97.8 / 97.8
Flue connection(Ø, mm) STS vent Intake Ø70, Exhaust Ø75
PVC vent(multi vent) Intake Ø70, Exhaust Ø75
Piping A Direct Water(DHW) 20, Hot Water 20, Gas 20
Max. Gas consumption LNG(town gas) kW (kcal/h) 58.1 (50,000)
LPG kg (kcal/h) 4.17 (50,000)
Outer case dimension mm (W×H×D) 439 ×701 ×376
Weight kg 33
Nominal inlet Gas pressure mmH₂O (kPa) LNG (town gas) 200+50, -100 (2.0+0.5, -10)
LPG 280±50 (2.75±0.5)
Installation / Flue(Exhaust & Intake) type - Wall hung / FF or Semi-closed FE
Max Flue Length STS vent FF : 5 bendins and under 10m
PVC vent(multi vent) Intake 75, Exhaust 75 / FF: 30 m, FE: 50 m
Electric Supply V/Hz 220V, 60Hz
Electric consumption W 75
Hot water pressure kgf/cm² (kPa) 0.3~ 10.5 (29.4~1,029)
Flow rate for min. Hot water L/min 2.0 이상
  • Design and specification might be changed for improving quality without notice and the data is stated by KITURAMI R&D
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