Ultimate₃ system boiler
Exclusive system boiler with 5 years guarantee*
- ErP A rated for efficiency - helping to reduce energy bills
- FREE 5 year guarantee with option to extend*
- £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.
Features & benefits
- Modern bright LCD display - Excellent clarity of boiler information, making it easy to change and confirm settings in dimly lit areas.
- High efficiency - ErP 94% A rated boiler that helps reduce energy bills.
- High efficiency modulating Grundfos pump - Lower running costs as the pump adapts to actual heating and hot water demand.
- 5 year guarantee - Parts and labour guarantee for 5 years with an option to extend*.
- Heat exchanger - Made with high grade aluminium for proven and reliable performance.
- Exclusive to City Plumbing Supplies and Plumbing Trade Supplies
*When registered through Club Energy
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Specifications
Specifications
| Ultimate₃ system boiler | Unit | 25kW |
|---|---|---|
| General | ||
| Article number | 0010021405 | |
| Gas Council number | 47-019-51 | |
| Boiler dimensions (H x W x D) | mm | 740 x 418 x 300 |
| Heating | ||
| Nominal heat output range at 50/30˚C (Condensing mode) | kW | 6.3 - 26.5 |
| Nominal heat output range at 80/60˚C (Non condensing mode) | kW | 6 - 25.2 |
| Domestic Hot Water | ||
| Lowest water pressure to operate boiler | bar | 0.2 |
| Mechanical | ||
| Heat exchanger material | Aluminium | |
| Boiler lift weight (Dry boiler) | kg | 22 |
| Performance | ||
| ErP efficiency | % | 94 |
| ErP decibel rating (sound power) | dBa | 50 |
| PCDB seasonal efficiency | % | 89.7 |
| Flueing Options | ||
| Maximum horizontal flue length 60/100 | m | 10 |
| Maximum vertical flue length 60/100 | m | 10 |
For full specification, please download here (2878 kB).
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Climapro₁ control
Available wireless and wired
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Downloads
Downloads
Alternative products
Alternative products
Ultimate₃ combi boiler
Exclusive combi boiler with 5 years guarantee*
- Leading combi boiler offering great performance
- FREE 5 year guarantee* with option to extend
- £15 reward when registered through Club Energy
- Available in 30kW and 35kW models
Ultimate₃ regular boiler
Exclusive regular boiler with 5 years guarantee*
- ErP A rated for efficiency - to reduce energy bills
- £15 reward when registered through Club Energy
- Lightweight boiler with cupboard fit dimensions
- FREE 5 year guarantee with option to extend*