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Glow-worm Flexicom SX System


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High Efficiency system boiler suited to most UK homes, from apartments to 4 bedroom detached, the Flexicom sx range provides a large supply of hot water through a compact boiler and a storage cylinder (normally housed in your airing cupboard) without the need for a cold water tank in your loft.

The Flexicom sx system boiler is designed to be extremely flexible. It's so small it can fit inside a standard kitchen cupboard*, it's compatible with any model of indirect cylinder and the Flexicom sx is also the only condensing system boiler in the UK with a direct rear flue option - so you can fit it almost anywhere.


Key Features

  • Available in 18kW and 30kW models
  • High Efficiency with a NOx Class 5 rating
  • Fits inside standard kitchen cupboard*
  • Only high efficiency condensing boiler in the UK with a direct rear flue option
  • Inbuilt frost protection for the all important winter months
  • On board diagnostics for superior serviceability
  • Extensive flueing options for flexibility in installation
  • 2 years parts and labour warranty

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


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Installation & Technical Data