Ultimate₃ System Boiler
High efficiency ErP 94% A rated boiler
- ErP A rated for efficiency - helping to reduce energy bills
- FREE up to 10 years guarantee available*
- £15 reward when registered through Club Energy
- Available as 25kW model
The Ultimate₃ system boiler is suitable for homes with high hot water demands. The Ultimate₃ system is a sealed system that comes in a 25kW output and features 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.