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Vokera Unica Max 20S System Boiler, Quick-List Pack

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Vokera have taken everything they have ever learned about design, performance and servicing and combined all that knowledge into one superior, cutting-edge boiler range. The feature rich, state-of-the-art Unica MAX C combi boilers will enhance the lives of homeowners and engineers alike by providing warmth, comfort, efficiency and long-term performance, coupled with ease of installation. Designed to accept a 20% hydrogen, the new Unica MAX C combi will adapt to burn the methane-hydrogen blend at the time when the local network switches over. Unica MAX C combi is hybrid enabled, to meet the current and future integration needs of various energy sources, including gas, electricity and renewables. At the heart of Unica MAX C combi is a colour liquid crystal display user interface. The full text menu-driven control enables the end user to quickly navigate through the boiler’s parameters and settings, including an optional embedded time clock programming the heating on and off times as desired.

  • ErP compliant
  • OpenTherm inside
  • Liquid display user interface with full text menu system, enabling both the installer and end user to quickly navigate through Unica MAX ‘s parameters and settings
  • Built-in filling loop
  • Traditional Vokèra pipework layout
  • Click fit flue connection
  • Natural gas or LPG out of the box
  • Large bore radial stainless steel heat exchanger
  • Hybrid ready controller with Modbus protocol
  • High efficiency modulating pump
  • ACC (Active Combustion Control) reduces admissions by adapting the air/gas mix according to the gas quality
  • High modulation up to 1:8
  • High DHW flow rates
  • Combined safety valve and condensate discharge
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Manufacturer Product Number
20188338/QL
Product Type
Gas System Boiler
Model
Unica Max
Boiler Height
740mm
Boiler Width
420mm
Boiler Depth
275mm
Boiler CH Output (Kw)
21
Boiler CH Output (BTU)
71000
Energy Efficiency
94%
ErP Heating Rating
A Rated for Heating
Manufacturers Warranty
10 Years (Subject to Manufacturers T&C's)
Customer Questions
What are the internal and external sizes of the BoilerBox

Inner - 76.8cm L x 57cm W x 41.5cm H - Outer - 80cm L x 60cm W x 44.5cm H

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Vokera 500 mm Flue Extension
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Vokera 1 Metre Flue Extension
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Vokera 2 Metre Flue Extension
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Vokera 90 Degree Flue Bend
£37.12 £30.93
Vokera Pair Of 45 Degree Flue Bends
£66.54 £55.45
Vokera Flat Roof Flashing
£46.08 £38.40
Vokera Pitched Roof Flashing
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Vokera Wall Fixing Flue Support Clips (set of 5)
£45.50 £37.92
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£61.44 £51.20
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