The Ultimate 3 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 Glow-worm flues. Compatible with Glow-worm controls. Supported by Club Energy. Exclusive Glow-worm Boiler. Inbuilt filling loop. The Ultimate3 combi is available in a choice of 30k W and 35k W 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.