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CHAFFOTEAUX PIGMA GREEN EXT Ebus2 25 EU CONDENSATION BOILER Code 3310443, COMPLETE WITH FLUE KIT - NEW ErP 2015: Condensing technology with minimal space requirement and maximum installation versatility makes Pigma Green Ext Ebus2 EU the best choice where the living spaces are precious and you don't want to give up comfort and savings.

Technical specifications

Product code: 3310443

Energy label specifications according to the European ErP directive

Class A heating energy efficiency

Sanitary energy efficiency Class A

Pickup profiles: XL

Characteristics of heating/sanitary operations:

Nominal heat input in heatingmax/min (Hi) Qn: 22/5.5 kW

Useful thermal power 80/60øC in heating/DHW max/min:ÿ21.5/5.4kW

Nominal heat input in sanitary ware (60/80øC) max/min:ÿ26/5.5 kW

Nominal heat output efficiency: ÿ97.5%

Efficiency 30% of the nominal heat input:ÿ109%

Sanitary comfort performance starsEN13203: ***

Energy efficiency stars: (dir 92/42/EEC) ****

Expansion tank capacity: 8 litres

Port. specific in healthcare. (10 min. with T= 30øC): 12.2 l/min

Minimum withdrawal:ÿ<2ÿl/min

Total electrical power absorbed: 76 W

Electrical system protection degrees: IPÿX5D

Dimensions hxwxd: mmÿ766x505x240ÿ; 32kg

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List features


Condensing technology with minimal space requirement and maximum installation versatility makes Pigma Green Ext Ebus2 EU the best choice where the living spaces are precious and you don't want to give up comfort and savings. Resistant to corrosion, wind and frost, it can be installed anywhere and conveniently controls all functions via the standard Expert Control system manager. Pigma Green Ext Ebus2 can be perfectly integrated with solar thermal systems and modules for the management of multi-zone systems, even with different temperatures, to make any design solution simple.

Sanitary comfort

Oversized stainless steel plate exchanger.

3 stars of sanitary comfort, the maximum unexpected from the EN 13203 standard.

12 l/min (T= 30øC) domestic hot water flow rate, measured in accordance with EN 625.

Sanitary circuit managed by four probes and a flow meter, to eliminate waiting times and have a constant temperature, even in the case of small withdrawals.

Perfectly integrated with solar thermal systems, forced and natural circulation

Daily and weekly hourly programming of the pre-heating periods of the sanitary exchanger directly from the Expert Control system manager.

Heating comfort

ÿRendimentfinal 109% with energy savingsfinal 35%.

4 star combustion efficiency according to the EN 92/42 standard.

Automatic regulation system, which can be activated directly from the Remote Control, to obtain the best heating operating regime in all environmental conditions.

Useful thermal power up to 23.5 kW.

Modulation ratio 1:5.

Reduced polluting emissions, NOx Class 5.

Heating circuit pressure sensor with display on Expert Control.

Modulating circulator to improve acoustic comfort and reduce electricity consumption.

Differentiated climate thermoregulation of 3 circuits, depending on the ambient and external temperature.

Management and programming of operation via the Expert Control system manager: operating modes and temperatures, self-diagnosis, daily and weekly programming, adjustment information and history of the latest faults.

Comfort of installation uses

Semi-automatic fillings that can be activated by the Expert Control system manager.

Expert Control system manager and external probe as standard.

Adjustment of operating parameters directly to the Expert Control system manager.

Prepared for the control of 3 circuit system management modules at different temperatures.

Prepared for the management and integration of solar thermal systems (solar probe as standard).

Electrical protection rating IPX5D and operation guaranteed at -15øC **.

Easy commissioning: automatic deaeration function and combustion regulation with direct access.


From 26 September 2015 the European Commission directives regarding eco-design and energy labeling will apply.

These two directives aim to achieve savings in one of the most polluting and energy-intensive sectors: construction

For placing on the European market, the "eco-design" directive (ErP known as "Energy Related Products") imposes a minimum energy efficiency for heating devices and hot water production in domestic premises. The directive applies to:

generators with a capacity of less than 400 kW

water heaters with capacity less than 400 kW,

kettles with a capacity of less than 2000 litres

As in the household appliances sector, the energy labeling of products with a capacity of less than 70 kW will give consumers simple, recognizable information that allows comparisons on the performance and energy consumption of the product they wish to purchase.

The energy label will be included in all boilers, water heaters and kettles placed on the market starting from 26 September 2015.

The information indicated on the energy label will allow professionals to recommend the right product and individuals to benefit from the information available.

The user will be able to easily compare the performance of the products.

From 26 September 2015, the label will be present on the following products: boilers, electric water heaters, thermodynamic water heaters, solar water heaters, storage tanks, heat pumps, solar systems and control systems.

The company that supplies the product on the market is required to equip its equipment with the following documentation:

product energy label;ÿ

product technical data sheet;ÿ

system energy label in addition to the product one, both if it sells a system that includes the product in question, and if this, in the future, can be sold in combination with other additional devices;ÿ

technical data sheet of the system with the parts relating to the product and the system already filled in.

First of all, it should be clarified that the reseller can be anyone who sells, rents, offers for rent/sale and displays an equipment/system to the public. Therefore, even professionals such as plumbers, installers, designers can fall into this category. Everyone is responsible for ensuring that:

all devices and/systems have their respective labels and ensure that they are clearly visible;ÿ

all devices and/systems are always accompanied by the mandatory technical data sheets;ÿ

every type of advertising, promotional and technical material in which energy data and price indications are shown contains an indication of the energy efficiency class.

The new ErP regulations


Appliances for space heating and hot water production must be equipped with the new energy label which will report the energy class and main performance data. The energy class must also be cited in the technical, commercial and advertising documentation of the appliances.


The new ErP regulations impose the minimum energy efficiency that space heating and hot water production appliances must achieve to obtain the CE mark and be marketed in Europe. These new limits will exclude obsolete technologies from the market, significantly raising the level of energy efficiency of products.


Depending on the type of appliance there are different labels. Those with efficiency classes A, A+ and A++ certify products with the highest performance. Furthermore, two different classifications are foreseen for domestic heating and for hot water production services, so mixed products must show both classifications. The labels contain, in addition to the energy class, other information, so that the end customer can make his choice as informed as possible.


In addition to the product label, a system label is also provided... in cases where a series of devices combined with each other is offered. This label must also be included in the technical and commercial documentation of the system. Whoever proposes such systems will have to calculate the performance using a predefined calculation algorithm to display the label in order to inform the end user in the best possible way.


All products for sale on our site are new and packaged. The warranty on this item is 24 months from the date of purchase.

Scheda Tecnica

  • peso: 35.0 kg
  • classe energetica produzione acs: A
  • classe energetica riscaldamento: A
  • gas: Methane
  • marca: CHAFFOTEAUX
  • metri quadri : 150
  • modello: PIGMA GREEN EXT Ebus2 25 EU METANO
  • potenza in kw: 25
  • potenza nominale: 25
  • superficie riscaldabile mq: 150
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