The Glow-worm Ultimate3 is a high-performance, ErP A-rated boiler range, providinh central heating and hot water without the need for a cylinder to store water. 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.

• 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
• Modern bright LCD display
• ErP 94% A rated boiler that helps reduce energy bills
• Made with high grade aluminium for proven and reliable performance.