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Ultracom2 sxi

System Boiler

Available in 12, 18 & 30kW
    • High Efficiency and NOx Class 5 rated
    • One way fit, simple wiring connections
    • Clear fault code explanation
    • Extremely quiet operation
    • Plug in digital timer as an optional accessory
  • Ultracom2 sxi

    New High Efficiency system boiler range with a choice of flexible control options available in 12, 18 & 30 kW outputs.

    Designed with hassle free installation in mind, the brand new Ultracom₂range of High Efficiency system boilers offers a spacious internal design with easy access to all components without the need to remove the side panels meaning no side clearances are required.

    Combined with one way wiring connections and a unique, simple filling loop design meaning you don’t have to remove any parts, installation and servicing is both straightforward and quick. The High Definition plain text display ensures hassle free and simple commissioning, whilst the advanced stainless steel heat exchanger reduces noise so much, the Ultracom₂is so quiet you’ll barely know it’s there.

    Flexible controls

    With a choice of plug in digital timer or external eBus controls the Ultracom2 sxi offers complete flexibility providing perfect home comfort for every application. Also featuring a unique receiver slot located inside the boiler, the Ultracom₂sxi and the new Climapro₂RF wireless programmable room thermostat are the perfect combination for advanced heating control.

     

    Key Features

    • High Efficiency and NOx Class 5 rated
    • Plug in digital timer as an optional accessory
    • One way fit, simple wiring connections
    • Easy access to all components from the front without the need to remove side panels meaning no side clearances are required
    • Enhanced commissioning features – boiler self-check routine - initial pre-purge feature
    • Clear fault code explanation - detailed plain text display helps use and commissioning
    • Extremely quiet operation
    • LPG compatible without conversion kit (18 & 30kW models)
    • Flexible pre-fixing jig (optional accessory) - 1 jig for upward or downward piping
    • Spacing frame available as an optional accessory
    • Compatible with Glow-worm eBus controls including Climapro2 RF and Smart Wiring Centre
    • Unique receiver slot inside the boiler for easy installation of the Climapro2 RF
    • 2 years parts and labour warranty 
    Name Download File
    Flue Installation Instructions PDF (5 MB)
  • Size & Performance

    Size12sxi18sxi30sxi
    Casing dimension (h w d)(mm)740x418x346740x418x346740x418x346
    Weight (packed)37.1kg37.1kg38.3kg
  • Performance

    CH output (kW) Min/Max3.9/124.9/18.28.5/30
    CH Condensing Max output (Kw)n/a n/a n/a
    SEDBUK rating 200590,40%90,40%A
    SEDBUK rating 200989,50%89,10%90,5
    Nox class 5 (natural gas)YesYesYes
    Adjestable to LPGNoYesYes
     12sxi18sxi30sxi
  • Construction & Installation

    Construction12sxi18sxi30sxi
    Main heat exchanger typeCoiled TubeCoiled TubeCoiled Tube
    Heat Exchanger materialStainless Steel isothermicStainless Steel isothermicStainless Steel isothermic
    Burner TypePre-mixedPre-mixedPre-mixed
    Fully modulatingYesYesYes
    Integrated hydroblocYesYesYes
    Installation
    Suitable for sealed systemsYesYesYes
    Suitable for open-vent systemsNoNoNo
    Inbuilt system bypassYesYesYes
    Inbuilt Condensate Trap/siphonYesYesYes
    Inbuilt Boiler Frost Protection2 Stage2 Stage2 Stage
    Continua Electronicsn/a n/a n/a
    Zero compartment VentilationYesYesYes
  • Clearences & User Interface

    Clearences12sxi18sxi30sxi
    Top (mm) (from top of boiler)150150150
    Side (mm)000
    Bottom (mm)200200200
    Front (mm)*600*600*600*
    User Interface
    User displayDigital Plan TextDigital Plan TextDigital Plan Text
    DiagnosticsAdvanced/ IntuitiveAdvanced/ IntuitiveAdvanced/ Intuitive
    User adjustable CH Temp controlYesYesYes
    User adjustable DHW Temp control**Yes**Yes**Yes**
    Eco Setting on DHWN/aN/aN/a
    Optional inbuilt timern/a n/a n/a
    Optional Digital Timer Kit YesYesYes
  • Pipes & Flues

    Pipes12sxi18sxi30sxi
    Optional Prefixing jig*** Yes*** Yes*** Yes***
    Prefixing jig with DIN Layoutn/a n/a n/a
    Optional spacing frameYesYesYes
    Water connections2x22mm2x22mm2x22mm
    Flues
    Ø60/100 mm Horizontal10m10m10m
    Ø60/100 mm Vertical10m10m10m
    Ø80/125 mm Horizontal20m25m25m
    Ø80/125 mm Vertical20m25m25m
    Optional plume management kitYesYesYes
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