The Glow-worm ultimate 3-system boiler is suitable for homes with high hot water demands. The ultimate 3 system is a sealed system that comes with a 25 k W output and features flexible flue options and an aluminium heat exchanger for proven reliability and performance. The Ultimate 3 also features a Grundfos modulating pump for reduced energy use and a modern, bright liquid-crystal display with an easy-to-use interface. The boiler comes packaged with a standard horizontal flue pipe for additiona

Brand Name	Glow-worm