Navien GA/GST heating boilers

«Kyung Dong NAVIEN» company presents under the brand name «NAVIEN» a two-circuit floor gas boiler Navien GA/GST. It has compact dimensions for the floor boiler in comparison with other models. Therefore, they are easy to transport and install.

Gas boilers Navien GA/GST in floor version have two circuits, one of which provides heating and the other one provides hot water.

The boiler is equipped with a special protection chip SMPS (Switched-Mode Power Supply) on the microprocessor, which protects the boiler from voltage fluctuations in network within ± 30% of 230V.

With average gas pressures, these boilers work excellently, but for regions with low pressure it does not work, it is better to purchase wall gas boilers Navien Ace for it.

The service life of Navien GA/GST heating boilers is very large, and the low cost of the boiler makes it an excellent option for an apartment, house or office, and an attractive appearance will not spoil the interior, but will only emphasize it.

If you want to buy a heating boiler Navien GA/GST in Tashkent, please contact us by the numbers indicated in contacts section.


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
Pressure HV (max) bar 3
Pressure HWT bar 0,3-8,0
HV temperature °С 25-85 25 – 80 smooth step regulation, step 1°
HWT temperature °С depends on HV temperature
HWT 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
El.parameters V/Hz 230±30%/50
El.consumpted capacity Wt 68 103 235
Sizes (WхDхH) mm 402x691x904 486x768x910
Weight kg 52 94 106
Chimney diameter mm 75 148
Connecting sizes HV Inch (mm) G1 1/4(32) BP G2 (50) BP
HWT G3/4 (20) BP G1 (25) BP
Gas G3/4 (20) BP G3/4 (20) BP
Gas pressure (inlet) mBar Nature gas: 10-25 /Liquid gas 28-37 Min. till 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