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. The Ultimate3 Combi Boiler is Glow-worm’s high performance, ErP A rated boiler range developed for the one off installer market, and exclusively manufactured for Travis Perkins. Available in a choice of 30kW and 35kW models and offers both high DHW flow rates and flexible flue options. The high performance model features a manual pressure gauge for easy installation and a modern, bright, LCD display with a simple-to-use interface 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