The Glow-worm Ultimate3 30kW Combi Boiler is a high-performance, wall-mounted combination boiler engineered for modern homes demanding reliable heating and exceptional hot water delivery. Available in 30kW and 35kW outputs, the Ultimate3 combines cutting-edge technology with everyday practicality making it one of the most capable combi boilers on the UK market.
At the heart of the Ultimate3 is an aluminium heat exchanger proven for long-term reliability, paired with a Grundfos modulating pump that intelligently adjusts to demand, reducing energy consumption and lowering running costs. A modern bright LCD display with an intuitive interface puts full control at your fingertips, while compatibility with the full range of Glow-worm controls and flues ensures seamless integration into any installation.
Backed by a 5-year manufacturer's guarantee upgradeable to 10 years when fitted with a Glow-worm Power Filter and registered through Club Energy the Ultimate3 is built to deliver peace of mind alongside outstanding performance.
Key Features
- Available in 30kW and 35kW outputs to suit a range of property sizes
- High DHW flow rate of 12.4 l/min at 35°C rise for rapid hot water delivery
- Aluminium heat exchanger for proven reliability and efficiency
- Grundfos modulating pump for reduced energy use
- Modern bright LCD display with easy-to-use interface
- Inbuilt filling loop for straightforward system top-up
- Compatible with current Glow-worm flues and controls
- NOx Class 5 — low emissions for a cleaner, greener home
- ERP Rating: A — highly energy efficient
- Quiet operation at just 51 dB(A)
- 5-year guarantee, upgradeable to 10 years via Club Energy
- Exclusive Glow-worm boiler, supported by Club Energy
Technical Specification
- Brand: Glow-Worm
- Range: Ultimate3
- Boiler Type: Combi Boiler
- Fuel Type: Natural Gas
- Heat Output: 30 kW (90,418 BTU/h)
- CH Condensing Max Output: 26.5 kW
- DHW Output: 30.6 kW (Min 6 kW / Max 30 kW)
- DHW Flow Rate at 35°C Rise: 12.4 l/min
- DHW Response (1m from tap): 5 seconds
- ERP Rating: A
- NOx Class: Class 5
- Noise Level: 51 dB(A)
- Mount Type: Wall Mounted
- Display: LCD Display
- Dimensions (H x W x D): 740mm x 418mm x 300mm
- Max Horizontal Flue: 10m (60/100mm) / 25m (80/125mm)
- Max Vertical Flue: 10m (60/100mm) / 25m (80/125mm)
- Solar Compatible: No
- Guarantee: 5 years (upgradeable to 10 years)
- Supplier Part Number: 0010021404
What's in the Box
- 1 x Glow-worm Ultimate3 30kW Combi Boiler
- Inbuilt filling loop
- Installation and user documentation
Note: Flue kit, Glow-worm Power Filter, and controls are sold separately. A 10-year guarantee is available when a Glow-worm Power Filter is fitted and the boiler is registered through Club Energy.
