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Ultracom2 cxi

Combination Boiler

Available in 24, 30 & 35kW
    • High Efficiency & NOx Class 5
    • Simple new in-built filling loop
    • Clear fault code explanation
    • One way fit, simple wiring connections
    • 2 years parts and labour warranty
  • Ultracom2 cxi

    New High Efficiency combination boiler range with a choice of flexible control options available in 24, 30 & 35 kW outputs.

     

    Designed with hassle free installation in mind, the brand new Ultracom₂range of High Efficiency combi 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 Ultracom₂cxi offers complete flexibility providing perfect home comfort for every application. Also featuring a unique receiver slot located inside the boiler, the Ultracom₂cxi 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
    • 5 second hot water delivery (measured at tap 1m from the boiler)
    • Choice of plug in analogue or digital timer as optional accessory
    • Simple new in-built filling loop design enabling filling without the need to remove any parts
    • 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
    • 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
    • Unique receiver slot inside the boiler for easy installation of the Climapro2 RF
    • years parts and labour warranty
    Name Download File
    Flue Installation Instructions PDF (5 MB)
  • Size & Performance

    Size24cxi30cxi35cxi
    Casing dimension (h w d)(mm)726x418x346726x418x346726x418x346
    Weight (packed)37.1kg37.1kg38.3kg
  • Performance

    CH output (kW) Min/Max4.9/18.55.9/24.58.4/30.0
    DHW Output (Kw) Min/Max25.530.635.7
    CH Condensing Max output (Kw)N/a N/a N/a
    DHW Flow Rate I/MIN. 35oC rise10.412.514.6
    DHW response*5 seconds*5 seconds*5 seconds*
    SEDBUK rating 200590.390.390.4
    SEDBUK rating 200989.089.389.3
    NOx class 5 (natural gas)YesYesYes
    Adjustable to LPGYesYesYes
     24cxi30cxi35cxi
  • Construction & Installation

    Construction24cxi30cxi35cxi
    Main heat exchanger typeCoiled TubeCoiled TubeCoiled Tube
    Heat Exchanger materialStainless Steel isothermicStainless Steel isothermicStainless Steel isothermic
    Burner TypePre-mixedPre-mixedPre-mixed
    Fully modulatingYesYesYes
    DHW plate heat exchangerYesYesYes
    Integrated hydroblocYesYesYes
    Installation
    Suitable for sealed systemsYesYesYes
    Suitable for open-vent systemsNoNoNo
    Filling Loopinbuiltinbuiltinbuilt
    Flow restrictorYes 8 l/minYes 10 l/minYes 12 l/min
    Inbuilt system bypassYesYesYes
    Inbuilt Condensate Trap/siphonYesYesYes
    Inbuilt Boiler Frost ProtectionTwo StageTwo StageTwo Stage
    Continua ElectronicsN/a N/a N/a
    Zero compartment VentilationYesYesYes
  • Clearences & User Interface

    Clearences24cxi30cxi35cxi
    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 controlYesYesYes
    Eco Setting on DHWYesYesYes
    Optional inbuilt timerN/a N/a N/a
    Optional programmerN/a N/a N/a
    Optional TimerN/a N/a N/a
    Optional Analogue Timer Kit YesYesYes
    Optional Digital Timer Kit YesYesYes
    Pre-fitted analogue timer   
  • Pipes & Flues

    Pipes24cxi30cxi35cxi
    Prefixing jig with DIN LayoutN/a N/a N/a
    Optional Prefixing jig*** Yes*** Yes*** Yes***
    Optional spacing frameYesYesYes
    Optional rear piping kitN/a N/a N/a
    Water connections2 x 22mm 2 x 15mm2 x 22mm 2 x 15mm2 x 22mm 2 x 15mm
    Flues
    Max horizontal Ø60/100 mm10m10m10m
    Max vertical Ø60/100 mm 10m10m10m
    Max horizontal Ø80/125 mm25m25m25m
    Max vertical Ø80/125 mm25m25m25m
    Max direct rear flueN/a N/a N/a
    Optional plume management kit Ø60/100YesYesYes
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