Logic System boiler
System
The Logic System range of appliances from Ideal provide a simple and reliable solution for a wide variety of sealed domestic systems. Available in a choice of four outputs – 15, 18, 24 and 30kW, the Logic System provides a dependable and efficient solution for new and replacement installations alike.
With a lightweight design, concealed connections at the base and no compartment ventilation required, the Logic System can be conveniently fitted out of sight into a standard kitchen cupboard. (Please check kitchen cupboard size prior to installation.)
Complete with a 2 year parts and labour warranty * and with additional extended warranty options available, the Logic System boiler provides simple heating control, all from a single compact appliance.
Our boilers are manufactured at the Ideal factory in Hull, East Yorkshire. Ideal has been manufacturing here for over 100 years.
Free 2 year warranty for peace of mind. To be eligible you must register your boiler within 30 days of purchase and have it serviced regularly.
This boiler is designed to fit into a standard kitchen cupboard.
Clear digital display for plain and simple logistics.
Frost protection, so your boiler will run in harsh weather.
A range of flue options to suit your home.
Low NOx levels means low emissions.
Spec Sheet & User Guide

Features & Benefits at a glance
- 2 year parts and labour warranty *
- Compact Cupboard fit
- Wide range of flueing options
- Concealed pipe connections
- Low lift weight
- Boiler frost protection
- Built in condensate trap
- Prewired mains lead
- Preformed copper tails
- Digital display and simple diagnostics
- Stand off kit and pre pipe options
- Fully modulating operation down to 4.8kW
- Weather compensation kit option
- Size & Performance
- Construction & Installation
- Clearances & User Interface
- Pipes & Flues
|
15 | 18 | 24 | 30 |
| Casing dimensions (h w d) mm | |
| Height | 700 |
| Width | 395 |
| Depth | 278 |
| Weight (packed kg) | 34.4 |
| Maximum Installation Weight (kg) | 28.0 |
| | |
| CH output (kW) Min/Max @ 70C | 4.8 - 15.0 | 4.8 - 18.0 | 4.8 - 24.2 | 6.1 - 30.3 |
| CH output (kW) Min/Max @ 40C | 5.1 - 15.9 | 5.1 - 19.1 | 5.1 - 25.6 | 6.4 - 31.0 |
| DHW output (kW) Max | N/A |
| DHW flow rate l/min. 35°C rise | N/A |
| SEDBUK (2009) Rating | 89% |
| NOx Classification | CLASS 5 |
| Adjustable to LPG | No |
| | 15 | 18 | 24 | 30 |
| Heat exchanger material | Cast Aluminium - Silicon Alloy |
| Burner type | Downward firing Pre-mix |
| Fully modulating | Yes |
| DHW plate heat exchanger | N/A |
| Integrated hydroblock | N/A |
| | |
| Suitable for sealed systems | Yes |
| Suitable for open-vent systems | No |
| Filling loop | No |
| Pre-wired mains lead | Yes |
| Flow regulator | N/A |
| Inbuilt system bypass | Yes |
| Inbuilt condensate trap/siphon | Yes |
| Inbuilt boiler frost protection | Yes |
| Zero compartment ventilation | Yes |
| | 15 | 18 | 24 | 30 |
| Top (mm) (from top of boiler) | 165 |
| Side (mm) | 2.5 |
| Bottom (mm) | 100 |
| Front (mm) | 450 |
| | |
| User display | Digital (Alpha/numeric) |
| User interface | Digital display & manual controls |
| Diagnostics | Fault diagnosis display |
| User adjustable | Manual heating control |
| ‘Eco’ setting on CH | Yes |
| Inbuilt Programmer | No |
| | 15 | 18 | 24 | 30 |
| Pre-piping kit | Yes |
| Stand-off kit | Yes |
| Upward piping kit | Yes |
| | |
| Max horizontal | 9m | 8m |
| Max vertical | 7.5m |
| Powered Vertical | 22m |
* Click here to see the Warranty Terms & Conditions