Ultimate₃ system boiler
Exclusive system boiler with 5 years warranty*
- ErP A rated for efficiency - helping to reduce energy bills
- FREE 5 year warranty with option to extend*
- £15 reward when registered through Club Energy
- Available as 25kW model
The Ultimate₃ is Glow-worm’s high performance, ErP A rated boiler range developed for the one off installer market, and exclusively manufactured for City Plumbing Supplies.
The Ultimate₃ sealed system boiler provides a reliable and efficient heating solution for homes with a high hot water demand, and is available as a 25kW model. The high performance model features a Grundfos modulating pump for reduced energy consumption, a manual pressure gauge for easy installation, flexible flue options for easy siting, and a modern, bright, LCD display with a simple-to-use interface.
Designed using an automotive grade aluminium heat exchanger, the Ultimate₃ offers proven reliability and performance whilst being light to install and easy to maintain.
The complete Ultimate₃ range (including combi, system and regular/open vent options) is compatible with the full range of Glow-worm controls including the popular MiGo app based control.
The Ultimate₃ offers installers a £15 reward and comes with a free 5 year warranty when registered through Club Energy; where installers can also benefit from business tools including the Plumbing Toolbox app, Gas Safe Notifications, Benchmark and some great rewards.
*When registered through Club Energy
Features & benefits
- Sealed system boiler range available in a 25kW output
- Modern, bright, LCD display with easy-to-use interface
- High quality, automotive grade, aluminium heat exchanger providing excellent performance
- High efficiency, A rated boiler for ErP energy labelling to reduce energy bills
- Modulating Grundfos pump for reduced energy use
- Manual pressure gauge to make installation easy
- Uses familiar Glow-worm diagnostics for easy install & servicing
- Inbuilt filling loop
- Compatible with full range of Glow-worm controls, flues and accessories
- Ideal for use with innovative MiGo app based control
- 5 years parts and labour guarantee with option to extend*
- Telescopic flue option available
- ø60/100 and ø80/125 flue options available
- Wide range of Glow-worm accessories available including spacing frame and pipe cover plate
- Plume Management kit compatible
*When registered through Club Energy
Club Energy
Find out how Club Energy can benefit you and how together we can grow your business.
Specifications
Specifications
| Ultimate₃ system boiler | 25kW |
|---|---|
| Casing dimensions (H x W x D mm) | 740 x 418 x 300 |
| Weight (lift) (kg) | 32 |
| Performance | |
| CH output minimum/maximum (kW) | 6.1/25.5 |
| SEDBUK rating 2009 (%) | 89.3 |
| NOx class (natural gas) | 5 |
| LPG compatible | No |
| ErP rating | A |
| Construction | |
| Heat exchanger material | Aluminium |
| Burner type | Pre-mixed |
| Fully modulating | Yes |
| DHW plate heat exchanger | Yes |
| Integrated hydrobloc | Yes |
| Installation | |
| Suitable for sealed systems | Yes |
| Inbuilt filling loop | Integrated |
| Inbuilt condensate trap/siphon | Yes |
| Inbuilt boiler frost protection | 2 Stage |
| Zero compartment ventilation | Yes |
| Pump | Grundfos |
| Clearances | |
| Top (from top of boiler mm) | 300 |
| Side (mm) | 0* |
| Bottom (mm) | 300 |
| Front (mm²) | 600** |
| User interface | |
| User display | Super bright LCD |
| Diagnostics | Advanced |
| User adjustable CH temperature control | Yes |
| Pipes | |
| Water connections (mm) | 2 x 22/2 x 15 |
| Flues | |
| Maximum horizontal Ø60/100 (m) | 9 |
| Maximum vertical Ø60/100 (m) | 9 |
| Maximum horizontal Ø80/125 (m) | 25 |
| Maximum vertical Ø80/125 (m) | 25 |
| Optional plume management kit Ø60/100 | Yes |
| Optional spacing frame | Yes |
*See manual for clearance if side panels are to be removed to assist future service and maintenance
** 5mm if removable panel/door
Related Products
Related Products
Climapro₂ RF Control
Climapro₂ RF
- Two channel wireless programmable room thermostat
- Backlit display provides advanced user control and functionality
- Capable of room and weather compensation*
- Simple to use handheld unit
Introducing MiGo
The personal heating assistant
- Wi-Fi thermostat and easy-to-use app
- Manage heating and hot water from anywhere
- Reduces energy consumption, saves money
- Internet weather compensation
- eBUS communication
Climastat room thermostat
- Easy to use
- Extra low voltage
- Simple & discreet 2 wire connection
- Polarity not important
Climapro₁ control
Available wireless and wired
- Annual service reminder function
- Automatic update for summer and winter
- Simple and discreet
- Weather compensation ability (when used with optional outdoor sensor)
Downloads
Downloads
Alternative products
Alternative products
Ultimate₃ combi boiler
Exclusive combi boiler with 5 years warranty*
- Leading combi boiler offering great performance
- FREE 5 year warranty* 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 warranty*
- 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 warranty with option to extend*