The Ultimate₃ System boiler provides outstanding heating performance in a 25kW model, and is suitable for homes with high hot water demands (when combined with a hot water storage cylinder).
Highly reliable system boiler offering outstanding performance
ErP A rated for efficiency – helping you to save money on your energy bills
FREE 10 year guarantee
Modern, bright, LCD display with an easy-to-use interface
Compatible with full range of Glow-worm controls, flues and accessories
