Wall-hung instantaneous condensing boiler with compact design 25 kw Vera HE 25 Sime

Product description:

• Wall-mounted instantaneous condensing boiler with a compact design.
• It is compatible with mixed gas, including up to 20% hydrogen.
• It has a stainless steel heat exchanger that ensures greater durability.
• Incorporates automatic combustion control with electronic gas valve for precise operation.
• It offers the option of outdoor installation by means of a specialised accessory or kit.
• Provides domestic hot water production with adjustable power from 24.0 to 30.0 kW.
• Features a housing divided into three sections for ease of installation.
• Includes a high pressure circulator, suitable for underfloor heating systems.
• Integrates climate control for precise and efficient adjustment.
• It has domestic hot water management and a dedicated probe for precise control.
• It measures 40 cm wide x 25 cm deep x 70 cm high.
• Its weight is 29.5 kg.
• Accessories included:
  • Condensation kit 60/100.
  • Female angle valve kit.

Technical data:

• Nominal / minimum heat output (80-60°C) : 19.8 / 3.8 kw.
• Nominal / minimum heat output (50-30°C) : 21.2 / 4.20 kW.
• Nominal heat flow in heating: 20 kW.
• Nominal domestic water heat flow rate: 24 kW.
• Minimum heat flow rate: 4 kW.
• Useful efficiency nom./min. power (80-60°C): 98.8 / 95.4%.
• Useful efficiency nom./min. power (50-30°C): 106.1 / 105.0%.
• Useful thermal efficiency 30% (40-30°C): 108.4%.
• Energy efficiency class for heating: A.
• Energy efficiency class for domestic hot water: A.
• Domestic hot water load profile: XL.
• Heating sound level: 54 dB.
• Max. electrical power consumption: 67 w.
• Electrical protection rating: X5D IP.
• Heating regulation range: 20/80.
• Water content: 5.1 l.
• Max. operating pressure: 3 bar.
• Max. operating temperature: 85 °C.
• Heating expansion tank capacity: 9 l.
• Domestic hot water control range: 10/60 °C.
• Specific DHW flow rate: 11.5 l/min.
• Continuous DHW flow rate ∆t 25°C: 13.8 l/min.
• Minimum DHW flow rate: 2 l/min.
• Max/min domestic hot water pressure: 7.0/0.5 bar.
• Max. horizontal length of ø 60/100 duct: 6 m.
• Maximum horizontal length of ø 80/125 duct: 12 m.
• Maximum horizontal length of 80+80 ducts: 25+25 m.
• Maximum horizontal length 60+60 ducts: 6+6.
• Complies with the essential requirements of Regulation 2016/426/EC, EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU, Ecodesign Directive 2009/125/EC, Regulation (EU) 2017/1369, Performance Directive 92/42/EEC and Regulation (EU) N. 813/2013 - 811/2013.