Glow-worm Ultimate2 25R 25kW Heat Only Boiler 10015802 - 142045

(Ex VAT)
(Inc VAT)

?If you would like a quote on this product, add it to your quote list and send it to your local branch who will be in touch
Product Information
  • High quality automotive grade aluminium heat exchanger
  • High Efficiency ErP modulating Grundfos pump
  • Modern bright LCD display
More Info

Please enter your delivery postcode so we can supply you with an estimated delivery date within your basket.

The postcode you entered was not recognised, please enter a valid postcode

Unfortunately, we don't deliver to this postcode. Please enter a different postcode or contact your local branch.

No postcode?

Please provide the closest postcode for this location so we can process your order.

This postcode will be saved and used for your future deliveries, this can be changed at a later date.

Find your nearest collection branch
Closest branch to {0}
  • ...
  • View branch details
    Ready in: This branch today
    • Product Details
      Glow-worm’s Ultimate2 regular gas boiler is a highly efficient condensing wall mounted unit. The Ultimate 2 is a highly reliable unit with an 89.3%(B) efficiency rating, This particular model has an output rating of 25 kW making it perfect for smaller homes which do not have a high demand for hot water or heating. This boiler is both lightweight and compact which makes it easy to install, and can be fitted in a kitchen cupboard. This not only saves space in the home but will also enable a simpler, quicker and cheaper installation. It features a modern, bright LCD display with an easy to use interface providing maximum control over the unit. The Ultimate 2 is also compatible with Glow-worm’s own mobile phone app based controls, for even more control over the unit, no matter where you are.

      • High quality automotive grade aluminium heat exchanger
      • High Efficiency ErP modulating Grundfos pump
      • Modern bright LCD display
      • ErP A rated
      • Compatible with current with Glow-worm flues
      • Compatible with Glow-worm controls
      • Supported by Club Energy
      • Exclusive Glow-worm Boiler
      • 5 year Guarantee increased to 10 year Warranty. Must be installed with a Filter and registered on Club Energy
    • Tech Specs
      Boiler Type Heat Only
      Depth 280 mm
      Height 700 mm
      Width 375 mm
      Maximum Horizontal Flue 100mm 10 m
      Maximum Horizontal Flue 125mm 25 m
      Maximum Vertical Flue 100mm 10 m
      Maximum Vertical Flue 125mm 25 m
      DHW Flow Rate at 35 Degree Rise 10.4
      SEDBUK SAP 2009 Rating A
      SEDBUK SAP 2005 Rating 91%
      CH Condensing Max Output 26.5 kW
      Heat Output 25 kW
      Noise Level 51 dB
      Nox Class 5
      Solar Compatible No
      Type Boiler
      Years Guaranteed 5
      Registered with the Energy Savings Trust Yes
      Made To Order N
      Manufacturer Model No 10015802
      Country Origin Germany
      Brand Name Glow-worm
      Range Description Ultimate2 Range
      Availability Next Day Delivery
      EAN 5037985104312
    One or more item(s) in your basket aren't available for delivery to

    Unfortunately, we were unable to find any substitute items to replace them with. To continue with the order we will have to remove them from your basket.

    If you would like to prevent any changes, press cancel.

    Thank you for signing up.
    Join our mailing list for the latest offers!
    Please enter an email address
    Please enter a valid email address

    When joining, you agree to City Plumbing Supplies Holdings Limited (trading as City Plumbing, PTS and The Bathroom Showroom) contacting you via email with information about news, goods and services which we feel will be of interest to you. Please refer to our privacy policy for more information on how we use your details.