Glow-worm Ultimate3 regular boiler for open vented systems is suitable for homes with high hot water demands. The Ultimate 3 regular comes in a 25 kW output and features flexible flue options and an aluminium heat exchanger for proven reliability and performance. The Ultimate 3 also features 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.

• Exclusive to city plumbing supplies and plumbing trade supplies
• High efficiency modulating Grundfos pump lower running costs as the pump adapts to actual heating and hot water demand
• Lightweight boiler with cupboard fit dimensions
• Modern, bright and LCD display with easy to use interface
• High grade aluminium heat exchanger for proven and reliable performance
• Easy to install and service
• Wide range of Glow-worm flues and accessories available
• 5-year guarantee upgradeable to 10 years when fitted with a Glow-worm power filter and registered through Club Energy.