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Compact Combi Boiler

Great things come in small packages

  • Reliable performance
  • Most lightweight boiler we've ever produced
  • Cupboard fit
  • User-friendly display
  • FREE 5 year out the box guarantee
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Small but mighty

The Compact combi boiler is our most compact and lightweight boiler ever. But don’t let its stature fool you – this boiler delivers big performance, and is sturdy and reliable for your piece of mind.



Compact Combi BoilersUnit of measure24kW28kW
Boiler dimensions mm626 x 400 x 270626 x 400 x 270
DHW flow ratel/min9.911.5
PCDB seasonal efficiency%88.688.9
ErP rating heating AA
ErP rating DHW AA
ErP efficiency%9293

Related Products

Related Products


  • Wi-Fi thermostat and easy-to-use app
  • Manage heating and hot water from anywhere
  • Reduces energy consumption, saves money

Climapro₁ control

  • Annual service reminder function
  • Automatic update for summer and winter
  • Simple and discreet

Climastat room thermostat (discontinued)

  • Easy to use
  • Extra low voltage
  • Simple & discreet 2 wire connection


How to get

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Find your local Glow-worm Club Energy Installer

Club Energy is Glow-worm’s installer loyalty scheme. By choosing a Glow-worm Club Energy Partner, you’re choosing our network of fully trained, independent installers who can offer you exclusive extended guarantees, as well as a no obligation quote to ensure your Glow-worm boiler is the perfect fit for you and your home.