Ultimate₃ combi boilers
High efficiency combi boiler from Glow-worm
- Leading combi boiler offering outstanding performance
- ErP A rated for efficiency – helping you to reduce your energy bills
- FREE 5 year parts and labour guarantee
- Extended guarantee options available
- Our 30kW and 35kW models suit homes of all sizes
The Ultimate₃ combi boiler provides central heating and hot water without the need for a cylinder or tank to store water. The Ultimate₃ combi is available in a choice of 30kW and 35kW models making it suitable for a range of homes, and provides a high domestic hot water flow rate to ensure reliable performance for you and your family.
Features & benefits
|Ultimate₃ combi boiler||30kW||35kW|
|Boiler dimensions |
(H x W x D mm)
|740 x 418 x 300||740 x 418 x 300|
|DHW flow rate storage/combi (35°C rise) (l/min)||12.4||14.4|
|Maximum horizontal flue length 60/100 (m)||10||6|
|Maximum vertical flue length 60/100 (m)||10||10|
|PCDB seasonal efficiency (%)||89.6||89.7|
|ErP rating heating||A||A|
|ErP rating DHW||A||A|
Want to find out more?
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 free no obligation quote to ensure your Glow-worm boiler is the perfect fit for you and your home.