Bosch Heatronic 4®, with BUS system with multifunction LCD display and integrated climate control unit (activated by connecting the external temperature probe (AF available as an accessory): simplified management and control of all settings, display of any stored anomalies, reading of the temperatures detected by the various sensors and indications regarding the status of the appliance.
*Optimal combination with solar thermal systems for DHW, thanks to the innovative Bosch Heatronic 4® electronics, and the TWM 20 accessory
*48 litre storage tank, in heat-treated steel, for DHW with immersion heat exchanger
*10 litre heating side expansion vessel
Technical Features
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Model
Energy efficiency class for heating and domestic hot water (ErP) A
For heating and domestic hot water production
Declared load profile XL
Nominal thermal power: 23 kW
Nominal heat output: 23.5 kW
Nominal domestic hot water heating power: 28kW
Useful thermal efficiency at nominal power 40/30 °C: 102%
Useful thermal efficiency at 30% nominal load 40/30°C: 108%
Continuous sanitary production: 21 l/min
Storage capacity: 42 litres
NOx Class: 5
Degree of protection: IP X4D
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Dimensions
(D x W x H): 482 x 600 x 880 mm; 67 kg
General Features
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Switching to Bosch means choosing a high-efficiency, low-consumption condensing boiler. Thanks to the technology in the Junkers Bosch range, you can avoid waste, save on your energy bill, and help reduce particulate matter emissions.
With the Service5 warranty extension, your customer will benefit from 3 additional years of warranty in addition to the 2 required by law, for a total of 5 years of peace of mind and comfort without any expense for original spare parts, labor, or call-out fees.
- Wall-mounted condensing boiler with 42-litre stratified-load domestic hot water storage tank
CERAPURACU's new storage tank system for domestic hot water production guarantees a large volume of water and is easy to install. This exclusive innovation meets all performance, compactness, and energy savings requirements.
Advantages:
- Wall-mounted condensing boiler with 42-litre stratified-load domestic hot water storage tank.
- Certifications obtained of type B23, B33, C13, C33, C43, C53, C63,C83.
- Suitable for use with Ø 60 mm drains.
- Emissions in class 5 as foreseen by the UNI EN 297, UNI EN 483 and UNI EN 15502 standards.
- Bosch Heatronic 3®, with BUS system, with the following functions: changes to operating parameters; display of any stored anomalies; reading of temperatures detected by the various sensors and indications regarding the status of the appliance.
- Patented high efficiency aluminum-silicon alloy primary heat exchanger.
- Patented SolarInside-ControlUnit passive solar optimization algorithm.
- 42-litre 3-tank stratified storage system.
- Continuous power modulation (sanitary and heating).
- Modulating fan and premix burner.
- 10-litre expansion vessel on the heating side, 2-litre expansion vessel on the sanitary side.
- Larger plate heat exchanger for sanitary use.
- Safety valve for storage tanks (7 bar).
- System loading device integrated into the boiler.
- Internal circulator dedicated to the DHW storage system and heating-side circulator in Energy Class A.
- Possible remote management via MB LAN2 modules (accessory) which can be combined with CR 100 or CW thermoregulators.
- Managed with Bosch Control CT100 (accessory), a digital modulating room thermostat with a wall-mounted soft-touch display and an elegant, refined design; complete with a smart, functional app.
- Optimal combination with solar thermal systems for DHW using the TWM 20 accessory.
- Outdoor installation, in a partially protected area, in compliance with current regulations.
Customer Service 02 40703 518 
Email: info@climando.it 
Registered office: Via Filippo Argelati 10 - 20143 Milan (MI) 
Logistics/Shipping: Piedmont, Lazio, Campania, Puglia
