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Flexicom hx
Regular Heat Only Boilers
Available in 12 - 35Kw outputs-
- High Efficiency & NOx Class 5
- Optional direct rear flue
- Small case size
- Fits standard kitchen cupboard
- 2 Year Parts & Labour Warranty
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Product overview
Flexicom hx
Compact and flexible range of condensing regular heat only boiler. The first High Efficiency boiler in the UK with a direct rear flue and cupboard fit* available in 12, 15, 18, 24, 30 & 35 kW outputs.
To replace an old boiler or install a new one, with the minimum of fuss, you need an appliance 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.
Fully compatible with any cylinder in an existing regular heat only system, the Flexicom delivers fantastic performance from a tiny appliance.
*Sizes of kitchen cupboards may vary. Please check boiler and cupboard dimensions prior to installations.Key Features
- High Efficiency & NOx Class 5
- Advanced diagnostics
- Inbuilt frost protection
- 2 Year Parts & Labour Warranty
Optional Extras
- Outdoor sensor (requires Smart Wiring Centre)
- Manometer kit
- Upward piping kit
Name Download File Flue Installation Instructions PDF (5 MB)
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Size & Performance
Size 12hx 15hx 18hx 
Casing dimension (h w d)(mm) 600x375x280 600x375x280 600x375x280 600x375x280 600x375x280 600x375x280 Weight (packed) 25kg 25kg 25kg 25kg 25kg 25kg -
Performance
CH output (kW) Min/Max 9.3/12.0 9.3/15.0 9.3/18.0 9.3/24.0 9.3/30.0 9.3/35.0 CH Condensing Max output (Kw) 12,8 15,8 18,8 24,8 31,0 36,0 SEDBUK rating 2005 90,70% 90,50% 90,40% 90,30% 90,00% 90,30% SEDBUK rating 2009 88,50% 88,50% 88,40% 88,40% 88,70% 89,20% Nox class 5 (natural gas) Yes Yes Yes Yes Yes Yes Adjestable to LPG No No No No No No 12hx 15hx 18hx
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Construction & Installation
Construction 12hx 15hx 18hx
Main heat exchanger type Cast Cast Cast Cast Cast Cast Heat Exchanger material Aluminium Aluminium Aluminium Aluminium Aluminium Aluminium Burner Type Pre-mixed Pre-mixed Pre-mixed Pre-mixed Pre-mixed Pre-mixed Fully modulating Yes Yes Yes Yes Yes Yes Installation Suitable for sealed systems Yes Yes Yes Yes Yes Yes Suitable for open-vent systems Yes Yes Yes Yes Yes Yes Inbuilt Condensate Trap/siphon Yes Yes Yes Yes Yes Yes Inbuilt Boiler Frost Protection Two Stage Two Stage Two Stage Two Stage Two Stage Two Stage Continua Electronics Yes Yes Yes Yes Yes Yes Zero compartment Ventilation Yes Yes Yes Yes Yes Yes -
Clearences & User Interface
Clearences 12hx 15hx 18hx
Top (mm) (from top of boiler) 150 150 150 150 150 150 Side (mm) 5 5 5 5 5 5 Bottom (mm) 150 150 150 150 150 150 Front (mm)* 600* 600* 600* 600* 600* 600* User Interface User display 2 Digit LCD 2 Digit LCD 2 Digit LCD 2 Digit LCD 2 Digit LCD 2 Digit LCD Diagnostics Advanced Advanced Advanced Advanced Advanced Advanced User adjustable CH Temp control Yes Yes Yes Yes Yes Yes Optional inbuilt timer No No No No No No Optional programmer** -
Pipes & Flues
Pipes 12hx 15hx 18hx
Water connections 2x22mm 2x22mm 2x22mm 2x22mm 2x22mm 2x22mm Flues Max horizontal Ø60/100 mm 8m 8m 8m 8m 8m 8m Max vertical Ø60/100 mm 8m 8m 8m 8m 8m 8m Max horizontal Ø80/125 mm 20m 20m 20m 20m 20m 20m Max vertical Ø80/125 mm 0.55m 0.55m 0.55m 0.55m 0.55m 0.55m Max direct rear flue 055m 055m 055m 055m 055m 055m Optional plume management kit Ø60/100 Yes Yes Yes Yes Yes Yes
