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Comprasion
Application
Therm 4000 O WR 13-2 B Gas Instantaneous Water Heater
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Brand:
Bosch Home Comfort
How it works
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About solution
The Bosch Therm 4000 O WR 13-2 B gas instantaneous water heater is equipped with a stainless steel casing and can be wall-mounted.
- Power Modulation
- Separate control of power and water flow
- Connects to the existing chimney
- The water heater turns on automatically when the water tap is opened
- Minimum required working water pressure is 0.1 atm.
Technical Features:
- Electronic ignition powered by batteries
- Automatic temperature and water flow maintenance with changes in water pressure in the plumbing
- Ionization electrode for flame control
- Temperature limiter to protect the heat exchanger from overheating
- Draft control device with automatic shutoff of the column
- Atmospheric gas burner made of stainless steel, adaptable to work on liquefied gas
- Copper heat exchanger free from tin/lead alloys with a lifespan of 15 years
Properties
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Burner ignition system
2 elements (R20 1.5 V)
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Energy efficiency class
B
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Nominal thermal power, min/max, kW
7-22,6
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Nominal thermal load, min/max, kW
8,1 – 26
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Permitted natural gas pressure, mbar
13
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Natural gas consumption, at maximum capacity, m3/h
2.8
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LPG consumption, at maximum capacity, kg/h
2.1
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Outlet water temperature, C
35-60
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Hot water flow at ΔT = 50 K, l/min
2-6,5
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Hot water flow at ΔT = 25 K, l/min
4-13
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Minimum working pressure, bar
0.1
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Flue gas temperature, at maximum capacity, °С
170
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Mass flow of flue gases at maximum power, kg/hour
61
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External diameter of the flue pipe, mm
132.5
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Permitted pressure of liquefied gas (propane/butane), mbar
30