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Junkers Bosch  |  SKU: CALD_1922

Junkers CERAPUR BALCONY ZWB 28-1 EB Methane Condensing Boiler for Outdoors Complete with Flue Kit - NEW ErP

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JUNKERS CERAPUR BALCONY ZWB 28-1 EB OUTDOOR CONDENSING BOILER COMPLETE WITH FLUE KIT - NEW ErP 2016: Wall-mounted outdoor condensing boiler with DHW production, which can be combined with solar thermal systems for DHW using the Solar Kit..

Technical specifications

Heating and DHW energy efficiency class (ErP): A/A

For heating and domestic hot water production

Profiles loaded declaredXL

Nominal heat input (heating): 24.6 kW

Nominal thermal power (DHW): 28 kW

Nominal heat input (DHW): 28.6 kW

Thermal efficiency at nominal power 40/30øC: 104.3%

Thermal efficiency at 30% nominal 40/30øC: 109.2%

Continuous sanitary production: 13.4 l/min

Settable domestic hot water temperature range: 40/60øC

NOx class: 5

Electrical power absorbed: 230 W

Protection degrees: IP X5D

Dimensions (Depth x Width x Height):ÿ285 x 535 x 775ÿmm; 54kg


Main features


Wall-mounted outdoor condensing boiler with DHW production, which can be combined with solar thermal systems for DHW using the Solar Kit.

Small and compact, ÿCERAPURÿBALCONY was designed to solve the problems of space and weather resistance, ensuring maximum comfort in the production of heat and domestic hot water.


Outdoor wall-mounted condensing boilers with DHW production, which can be combined with solar thermal systems for DHW using the Solar Kit.

Certifications achieved of tipC13, C33, C63, C83, B33.

Suitable for use with 60 mm drains.

Class 5 emissions required by UNI EN 297, UNI EN 483 and UNI EN 15502 standards.

External installation.

Remote control integrating the digital room chronothermostat with the following functions: two fixed heating programs P1 and P2; a P3 heating program, programmable, with 22 available time slots; setting of operating temperatures in both heating and domestic hot water; display of boiler operating states and any anomalies; when combined with the external probe (accessory), operation is activated as a climate control unit which automatically regulates the delivery temperature based on the external temperature.

Automatic anti-freeze function up to an external temperature of -15øC, both on the sanitary and heating sides.

Fully automatic filling function for the heating circuit.

Continuous power modulation (sanitary heating).

High efficiency patented silica alumina alloy primary heat exchanger.

Domestic heat exchanger with larger plates to condense also in DHW.

6 liter heating expansion tanks.

Circulator in Energy Class A.

The ErP regulation and the new energy labels

The future of heating systems

Starting from September 26, 2015, in order to be placed on the market, heating and hot water systems must comply with the ErP (Energy Related Products) regulations issued by the European Union. The ErP standards promote the eco-friendly design of products that consume energy from fossil fuels and aim to reduce energy consumption and CO2 emissions, as well as provide consumers with transparent and homogeneous information on the energy efficiency of appliances, encouraging comparison. Regulations N 811/2013 and 812/2013 provide for specific energy labeling of appliances for heating and the production of domestic hot water. Regulations N 813/2013 and 814/2013 prescribe, among other things, the minimum energy efficiency and polluting emissions requirements that manufacturers of heating and domestic hot water production equipment must comply with. These regulations therefore raise the standards of energy efficiency, improving the performance of the systems and excluding low-performing technologies from the market.

The energy label will be supplied by the manufacturer with the appliance and will represent a concrete help for the consumer, allowing him to better understand the characteristics of the system, acquire greater awareness of energy savings and allow him to choose the best thing to buy. The energy label will provide information on the energy class of the product, on a scale between A++ and G, and on other additional notations, such as power and noise emissions.

The ErP regulation provides two types of labelling:

the first is supplied by the manufacturer together with the product for heating and/or domestic hot water production appliances

the second for systems composed of multiple elements.ÿ

In this second case the label indicates the energy efficiency levels achievable thanks to all the components used, allowing the increase in the scores attributed to each appliance and increasing the energy class of the system: therefore it is the task of those who create/install the system to provide the consumer with the correct explanatory label .

The ErP standards represent an opportunity to develop a market for high efficiency technologies, such as condensation, heat pumps, solar thermal, cogeneration and the integration of different energy sources in a single system. These technologies will have an impact on home consumption, approximately 80% of which is due to heating and the production of hot water, and are now incentivized at a fiscal level.

Junkers Boschÿ already in line with the dictates of the ErP regulation, represent a future that has always distinguished the brand.


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: Junkers Bosch
  • metri quadri : 180
  • modello: CALD_1922
  • potenza in kw: 28
  • potenza nominale: 28
  • superficie riscaldabile mq: 180
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