This gas direct-flow water heater is designed for water heating for domestic use on a real-time basis. Ease of use is provided by direct firing of a gas burner when you open the hot water tap, the multistage monitoring system of water heater functioning ensures full safety of its operation.
The water heater is equipped with a "winter-summer" mode switch
Model | LR20-JES |
Rated power, kW | 20 |
Nominal output in kW | 18 |
Efficiency,%, not less | 84 |
Type of gas | natural G20 or liquefied G30 |
Nominal gas pressure, kPa | 1,3-2,0 |
Nominal gas pressure, liquid (G30, 3rd family, group B / R), kPa: | 2,9 |
Rated gas consumption, natural, m3/h | 2,05 |
Nominal gas flow rate, liquid, kg/h | 1,56 |
Minimum flow rate for ignition, l/min | 2,5 |
The maximum water pressure, Mpa | 0,8 |
Minimum water pressure, Mpa | 0,025 |
Water consumption during heating on ΔT = 25 ° C, l/min | 10 |
Water consumption during heating at ΔT = 40 ° C, l/min | 6,2 |
The required vacuum in the chimney, however, Pa | 2 |
The required vacuum in the chimney, not more than, Pa | 30 |
The average temperature of the combustion products, ° C | 150 |
The minimum allowable gas inlet pressure when operating the apparatus, kPa | 0,9 |
Type ignition device | automatic electronic |
Number of burner nozzles, pcs. | 10 |
The diameter of the burner nozzle, mm: | |
natural gas, 1.3 kPa (130 mm of water.). | 1,32 |
LPG, 2.9 kPa (300 mm of water.). | 0,76 |
The diameter of the flue pipe, mm | 114 |
The type and number of elements voltage, V | LR 20 2x1.5 |
Overall dimensions, mm | |
Height | 550 |
Width | 330 |
Depth | 180 |
Weight (Net / Gross) kg | 8,3/9,8 |
The heat exchanger weight - 2,2 kg