The Ultimate3 combi is available in a choice of 30kW and 35kW models and features high DHW flow rates, flexible flue options and an aluminium heat exchanger for proven reliability and performance. The Ultimate3 also features a Grundfos modulating pump for reduced energy use and a modern bright LCD display with an easy to use interface. 5-year guarantee upgradeable to 10 years when fitted with a Glow-worm power filter and registered through Club Energy.

• Includes boiler, flue horizontal and power system filter
• 5 years guarantee increased to 10 years warranty must be installed with a filter and registered on club energy
• Compatible with Glow-worm controls
• Inbuilt filling loop