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Flexicom cx

Combination Boiler

Available in 24, 30, 35kW
    • SEDBUK A & NOx Class
    • Optional direct rear flue
    • Fits standard kitchen cupboard
    • Optional glide down plug in timer
    • 2 Year Parts & Labour Warranty
  • Flexicom cx

    Compact and flexible range of condensing combis – the first high efficiency boiler in the UK with a direct rear flue, cupboard fit** and with optional glide down plug in timer. Available in 24, 30 & 35 kW outputs.



    To replace an old boiler or install a new one with the of minimum fuss, you need one that will fit just about anywhere. That’s why Glow-worm created the Flexicom a high-efficiency condensing boiler that’s so flexible, compact and simple to install it makes your life easy.

    An optional glide down timer provides simple control of the boiler through a plug in timer. One simple push and the clock glides into position. Set the time to your requirements and another gentle push hides the clock from view inside the base of the boiler.

    **Sizes of kitchen cupboards may vary. Please check boiler and cupboard dimensions prior to installations.

    Key Features

    • SEDBUK A & NOx Class 5
    • 5 second hot water delivery (measured at tap 1m from boiler)
    • Advanced diagnostics
    • Inbuilt frost protection
    • Pre-fixing jig
    • Bottom cover plate
    • Optional upward piping kit
    • Optional glide down timer
    • 2 Year Parts & Labour Warranty

    Optional Extras

    • Bottom cover plate
    • Glide down analogue timer
    • Upward piping kit
    • Outdoor sensor

  • Technical data

      24cx 30cx 35cx
    Size & Performance      
    Size      
    Casing dimension (h w d)(mm) 700x390x280 700x390x280 700x390x280
    Weight (packed) 36kg 36kg 36kg
    Performance      
    CH output (kW) Min/Max 9.3/18.0 9.3/24.0 9.3./30.0
    DHW Output (Kw) Min/Max 9.3/25.1 9.3/30.0 9.3/35.0
    CH Condensing Max output (Kw) 18.8 24.9 31.0
    DHW Flow Rate I/MIN. 35oC rise 9.85 12.3 14.4
    DHW response* 5 seconds 5 seconds 5 seconds
    SEDBUK rating A A A
    SEDBUK % 90.3 90.0 90.2
    Nox class 5 (natural gas) Yes Yes Yes
    Adjestable to LPG No No No
    Construction  & Installation      
    Construction      
    Main heat exchanger type Cast Cast Cast
    Heat Exchanger material Aluminium Aluminium Aluminium
    Burner Type Pre-mixed Pre-mixed Pre-mixed
    Fully modulating Yes Yes Yes
    DHW plate heat exchanger Yes Yes Yes
    Integrated hydrobloc Yes Yes Yes
    Installation      
    Suitable for sealed systems Yes Yes Yes
    Suitable for open-vent systems No No No
    Filling Loop Integral Integral Integral
    Flow restrictor Yes 8.7 l/min Yes 11.7 l/min Yes 14 l/min
    Inbuilt system bypass Yes Automatic Yes Automatic Yes Automatic
    Inbuilt Condensate Trap/siphon Yes Yes Yes
    Inbuilt Boiler Frost Protection Two Stage Two Stage Two Stage
    "Continua" Electronics Yes Yes Yes
    Zero compartment Ventilation Yes Yes Yes
    Clearences & User Interface      
    Clearences      
    Top (mm) (from top of boiler) 150 150 150
    Side (mm) 5 5 5
    Bottom (mm) 150 150 150
    Front (mm)** 600 600 600
    User Interface      
    User display 2 Digit LCD 2 Digit LCD 2 Digit LCD
    Diagnostics Advanced Advanced Advanced
    User adjustable CH Temp control Yes Yes Yes
    User adjustable DHW Temp control Yes Yes Yes
    Optional inbuilt timer Yes Yes Yes
    Pipes & Flues      
    Pipes      
    Prefixing jig with DIN Layout Yes Yes Yes
    Optional Spacing Frame Yes Yes Yes
    Water connections 2 x 22mm           2 x 15mm 2 x 22mm           2 x 15mm 2 x 22mm          2 x 15mm
    Flues      
    Max Horizontal 8m 8m 8m
    Max Vertical 8m 8m 8m
    Max Twin Flue (total air + flue) 20m 20m 20m
    Max Direct rear Flue 0.55m 0.55m 0.55m
    Optional Plume Management Kit Yes Yes Yes
    * 1 metre from the tap
    ** This can be reduced to 5mm for removable panel
  • Control Compatibility Table

    Flexicom cx control options: Climastat Climapro/         Climapro RF Glide Down Timer Outdoor Sensor
    To achieve room compensation you will need:        
    Using optional timer n - n -
    or        
    Using Glow-worm external controls - n - -
    To achieve weather compensation you will need:        
    Using optional timer n - n n
    or        
    Using Glow-worm external controls - n - n
    To achieve basic on/off control you will need:        
    Using optional timer n - n -
    or        
    Using Glow-worm external controls - n - -