«Kyung Dong NAVIEN» Company represents a double-pressure boiler Navien GA/GST. It has a compact size in comparison with other models. That’s why they are easy to install and transport.
Gas boilers Navien GA/GST of floor type have two circuits, one of which provides heating and the second one provides hot water supply.
The boiler is equipped with a special protective chip SMPS (Switched-Mode Power Supply) on microprocessor, which protects the boiler against voltage drop within ±30% from 230V.
These boilers perfectly operate at the medium gas pressure. Navien GA/GST boilers have a long service ife. Competitive price and attractive outside appearance of this boiler is an excellent option for apartment, house or office.
If you want to buy a heating boiler Navien GA/GST in Tashkent, contact us by telephone numbers listed in the section Contacts.
| Technical parameters | GST 35К | GST 40К | GST 45К | GST 50K | GST 55K | GST 60K | GST 65K | GST 70K | GST 80K | ||
| Capacity | kW | 34,9 | 40,7 | 46,0 | 51,0 | 56,0 | 60,0 | 65,0 | 70,0 | 81,0 | |
| HV pressure (max) | bar | 3 | |||||||||
| Hot water supply pressure | bar | 0,3-8,0 | |||||||||
| HV temperature | °С | 25-85 | 25 – 80 smooth adjustment, step 1° | ||||||||
| Hot water supply temperature | °С | depends on HV temperature | |||||||||
| Hot water supply flow | ΔТ 25°С | l/min | 22,1 | 23,3 | 18,2 | 20,7 | 21,5 | ||||
| Efficiency | % | 91,5 | 91,4 | 91.0 | 90.0 | ||||||
| Electrical parameters | V/Hz | 230±30%/50 | |||||||||
| Electric power consumption | W | 68 | 103 | 235 | |||||||
| Dimension (WхDхH) | mm | 402x691x904 | 486x768x910 | ||||||||
| Weight | kg | 52 | 94 | 106 | |||||||
| Chimney diameter | mm | 75 | 148 | ||||||||
| Size of connection | HV | inch (mm) | G1 1/4(32) BP | G2 (50) BP | |||||||
| hot water supply | G3/4 (20) BP | G1 (25) BP | |||||||||
| Gas | G3/4 (20) BP | G3/4 (20) BP | |||||||||
| Gas pressure (inlet) | mbar | Natural gas: 10-25 / condensed gas: 28-37 Min. up to 4 | |||||||||
| Gas consumption | NG | m³/h | 4,0 | 4,4 | 4,9 | 5,5 | 5,8 | 6,7 | 7,1 | 8,7 | 9,0 |
| LPG | kg/h | 3,27 | 3,53 | – | – | – | – | – | – | – | |