Comparison BAXI Eco-4s 24 24 kW
230 V
vs Westen Pulsar D 24 24 kW
230 V

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	BAXI Eco-4s 24 24 kW 230 V	Westen Pulsar D 24 24 kW 230 V
	from $482.56 up to $486.20 Outdated Product	from $479.88 up to $643.32 Outdated Product
all specs only differences
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Energy source	gas	gas
Installation	wall	wall
Type	dual-circuit (heating and DHW)	dual-circuit (heating and DHW)
Heating area	192 m²	180 m²
Technical specs
Heat output	24 kW	24 kW
Min. heat output	9.3 kW	10.6 kW
Power supply	230 V	230 V
Power consumption	80 W	80 W
Coolant min. T	30 °С	30 °С
Coolant max. T	85 °С	85 °С
Heating circuit max. pressure	3 bar	3 bar
DHW circuit max. pressure	8 bar	8 bar
Consumer specs
DHW min. T	35 °С	35 °С
DHW max. T	60 °С	60 °С
Performance (ΔT=25°C)	13.7 L/min	13.7 L/min
Performance (ΔT ~30 °C)	9.8 L/min	9.8 L/min
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency	91.2 %	91.2 %
Combustion chamber	open (atmospheric)	open (atmospheric)
Flue diameter	120 mm	120 mm
Inlet gas pressure		20 mbar
Max. gas consumption	2.78 m³/h	2.78 m³/h
Expansion vessel capacity	6 L	6 L
Expansion vessel pressure	0.5 bar	0.5 bar
Heat exchanger	copper	copper
Connections
Mains water intake	1/2"	1/2"
DHW flow	1/2"	1/2"
Gas supply	3/4"	3/4"
Central heating flow	3/4"	3/4"
Central heating return	3/4"	3/4"
Safety
Safety systems	gas pressure drop water overheating flame loss draft control water circulation failure frost protection	gas pressure drop water overheating flame loss draft control water circulation failure frost protection
More specs
Dimensions (HxWxD)	730x400x299 mm	730x400x299 mm
Weight	29 kg	29 kg
Added to E-Catalog	august 2016	march 2012

Price comparison

Heating area

A very conditional parameter that slightly characterizes the purpose based on the size of the room. And depending on the height of the ceilings, layout, building design and equipment, actual values may differ significantly. However, this item represents the maximum recommended area of the room that the boiler can effectively heat. However, it is worth considering that different buildings have different thermal insulation properties and modern buildings are much “warmer” than 30-year-old and especially 50-year-old houses. Accordingly, this item is more of a reference nature and does not allow us to fully assess the actual heated area. There is a formula by which you can derive the maximum heating area, knowing the useful power of the boiler and the climatic conditions in which it will be used; For more information on this, see "Useful Power". In our case, the heating area is calculated using the formula “boiler power multiplied by 8”, which is approximately equivalent to use in houses that are several decades old.

Min. heat output

The minimum heat output at which the heating boiler can operate in constant mode. Operation at minimum power allows you to reduce the number of on-and-off cycles that adversely affect the durability of heating boilers.

Heated floor mode

The boiler has a special mode for underfloor heating systems.

Underfloor heating differs from conventional heating systems primarily by a lower coolant temperature — otherwise the floor could be too hot for comfortable use (plus, high temperatures are also undesirable for flooring and furniture installed on it). In addition, boilers with this function are distinguished by increased pump power. In order to ensure efficient circulation of the coolant through branched heating circuits that have rather high resistance.

Inlet gas pressure

It is the optimum gas pressure supplied to the inlet of the boiler system. Most often indicated for natural gas and is about 15-20 mbar. This parameter must match the specs of the gas supply system. However, the pressure in the latter may be higher, which may require the installation of a special gas regulator.