Therm 4000 S WTD 15 / Gas tankless water heater

Properties

Gas flow boiler

• Burner ignition system

  automatically

• Energy efficiency class

  A

• Nominal thermal power, min/max, kW

  3,8-25,4

• Nominal thermal load, min/max, kW

  4-27,5

• Permitted natural gas pressure, mbar

  13

• Natural gas consumption, at maximum capacity, m3/h

  2.9

• LPG consumption, at maximum capacity, kg/h

  2.1

• Outlet water temperature, C

  35-60

• Hot water flow at ΔT = 25 K, l/min

  15

• Minimum working pressure, bar

  0.1

• Flue gas temperature, at maximum capacity, °С

  170

• Mass flow of flue gases at maximum power, kg/hour

  70

• External diameter of the flue pipe, mm

  60/100

• Weight (with packaging), kg

  11

• Permitted pressure of liquefied gas (propane/butane), mbar

  30