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Energy regular boiler

ErP A rated regular boiler with 7 years warranty*

  • ErP A rated for efficiency - to reduce energy bills
  • FREE 7 year warranty* with option to extend
  • High quality aluminium heat exchanger
  • Compact size – perfectly fits in kitchen cupboards
  • Modern, bright, LCD display

Energy isn’t just a boiler; it’s an investment into a whole new way of working which is designed to make your life easier and your business more successful. Energy connects your customers, your business, and Glow-worm to you.

High quality and high efficiency

The Energy regular (for open vent systems) boiler comes with a great range of outputs, attractive modern design, bright easy to use interface and a choice of controls. The Energy regular boiler range is suitable for homes with high hot water demands and can be installed with Glow-worm’s range of cylinders for hot water storage.

The Energy regular boiler is a light and compact boiler with a choice of rear or top flue making it easy to install in any situation. Using an industry standard DIN layout makes boiler swaps quick and the aluminium heat exchanger has large waterways making it perfect for retrofit jobs.

Club Energy members get the full benefits

Glow-worm’s Club Energy members earn rewards for their installations and offer their customers’ up to 15 years of warranty. By using the industry leading installer app Plumbing Toolbox, Club Energy members complete the registration, warranty, Gas Safe notification and Benchmark on the go saving so much time. Find out more about Club Energy here.

When registered through Club Energy*

Features & benefits

  • Wide product range caters for every heat output demand and every system requirement
  • Rear flue top flue flexibility means that Energy will fit most install situations
  • Compact size will fit in kitchen cupboards
  • Modern, bright, LCD displays excellent clarity of boiler information wherever it is installed making it easy to change and confirm settings



regular boilers
Casing dimensions
(H x W x D)
mm600 x 375 x 280600 x 375 x 280600 x 375 x 280600 x 375 x 280600 x 375 x 280
Weight (lift)kg2222222323
CH output minimum/maximum 4.5/12.34.5/15.25.0/18.36.1/25.47.1/30.5
Minimum operating pressure bar0.
SEDBUK SAP 2009 rating 89.489.489.489.489.3
ErP rating AAAAA
NOx class (natural gas) 55555
Heat exchanger materialAluminium/Stainless steelAluminiumAluminiumAluminiumAluminiumAluminium
Burner type Downward firingDownward firingDownward firingDownward firingDownward firing
Fully modulating YesYesYesYesYes
Upward piping YesYesYesYesYes
Inbuilt condensate trap/siphon YesYesYesYesYes
Inbuilt frost protection YesYesYesYesYes
Zero compartment ventilation YesYesYesYesYes
User interface
Diagnostics Advanced/IntuitiveAdvanced/IntuitiveAdvanced/IntuitiveAdvanced/IntuitiveAdvanced/Intuitive
User adjustable CH temperature control YesYesYesYesYes
Optional spacing frame N/A (upward piping)N/A (upward piping)N/A (upward piping)N/A (upward piping)N/A (upward piping)
Plug in mechanical timer N/AN/AN/AN/AN/A
Optiflue compatible (PFGHRD) N/AN/AN/AN/AN/A
Maximum horizontal Ø60/100m1010101010
Maximum vertical Ø60/100m1010101010
Maximum horizontal Ø80/125m2525252525
Maximum vertical Ø80/125m2525252525
Optoional plume management kit Ø60/100 YesYesYesYesYes
Direct rear flue YesYesYesYesYes

*See manual for clearance if side panels are to be removed to assist future service and maintenance

** 5mm if removable panel/door