Glow-worm Ultimate 3 combi offers both high DHW flow rates and flexible flue options. The high performance model also features a modulating Grundfos pump for reduced energy use a manual pressure gauge for easy installation and a modern, bright, LCD display with a simple to use interface. Designed using an automotive grade, aluminium heat exchanger and the Ultimate 3 offers proven reliability and performance whilst being light to install and also easy to maintain. This must have boiler is also covered by a 2 years guarantee against any manufacturing defects. This boiler pack includes the boiler and vertical flue kit for more convenience and better value.
- Modern bright LCD display
- Compatible with current with Glow-worm flues
- Compatible with Glow-worm controls
- Exclusive Glow-worm boiler
- Inbuilt filling loop



















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