The APEX 2.20 is a wall-mounted double-circuit gas boiler designed for heating residential houses, apartments and small commercial premises, as well as for providing hot water.
Its 20 kW output ensures efficient heating and is recommended for properties of up to 200 m². The boiler is equipped with a sealed combustion chamber, an oxygen-free copper primary heat exchanger and a stainless-steel secondary heat exchanger, providing efficient heat transfer, reliable operation and long service life.
The appliance is equipped with multi-level safety systems, including:
- flame ionization control;
- overheating protection;
The APEX 2.20 is a wall-mounted double-circuit gas boiler designed for heating residential houses, apartments and small commercial premises, as well as for providing hot water.
Its 20 kW output ensures efficient heating and is recommended for properties of up to 200 m². The boiler is equipped with a sealed combustion chamber, an oxygen-free copper primary heat exchanger and a stainless-steel secondary heat exchanger, providing efficient heat transfer, reliable operation and long service life.
The appliance is equipped with multi-level safety systems, including:
- flame ionization control;
- overheating protection;
- pump and three-way valve anti-blocking protection;
- combustion product exhaust control;
- protection against operation when there is insufficient water in the system;
- overpressure protection;
- frost protection;
- overvoltage protection.
The HAIER APEX 2.20 features stable operation under low gas pressure conditions, energy efficiency, low noise levels and compatibility with a room thermostat, ensuring comfortable and economical operation.
Main Features:
- Type: wall-mounted gas boiler
- Brand: HAIER
- Model: APEX 2.20
- Power: 20 kW
- Number of circuits: double-circuit (heating + hot water)
- Combustion chamber: sealed type
- Flue gas exhaust system: forced draft, 60/100 coaxial or 80/80 separate flue system
- Primary heat exchanger: oxygen-free copper (Oxygen-Free Copper)
- Secondary heat exchanger: stainless steel
- Burner: multi-stage, with a wide power modulation range
- Hot water production: rapid heating system with a flow sensor
- Control system: electronic control and self-diagnostics
- Safety systems: protection against overheating, freezing, excessive pressure, flame failure and voltage fluctuations
- Operation at low gas pressure: possible
- Expansion tank: 6 L
- Maximum heating system pressure: 3 bar
- Colour: white
- Country of manufacture: China
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We also offer: Gas Boiler APEX 2.18 (18 kW), Manufacturer HAIER.