Please note that all Gas Boilers must only be installed by rgii.ie registered & approved fitters. Flu Exhaust Kits are available for your Boiler and are purchased separately.
The Ideal Logic 24 HE Combi Boiler is a compact, high-efficiency combi boiler designed to deliver reliable central heating and instant hot water for modern Irish homes. Ideal for smaller to medium-sized properties, it combines performance, quiet operation, and ease of installation in a space-saving cupboard-fit design.
One of the few boilers to achieve Quiet Mark accreditation, the Logic Combi IE range is recognised for its low noise levels and dependable performance. Awarded the Queen’s Award for Enterprise and Good Housekeeping Reader Recommended, it’s a trusted solution for both replacement and new installations.
Key Features
Output: 24kW combi boiler
Instant hot water and central heating from one compact unit
Quiet Mark accredited for low-noise operation
High SEAI HARP efficiency rating (91.1%)
Compact cupboard-fit design with concealed connections
Fully backlit LCD display and easy-to-read pressure gauge
Boiler frost protection
Lightweight for easier handling (from 28.9kg installed)
LPG conversion kit available
Wide range of additional flueing options
Compatible with a range of heating controls
7-year parts and labour warranty
Dimensions: Height: 700mm x Width: 395mm x Depth: 278mm
Max installation weight: 28.6kg
Performance Overview
DHW output: 24.2kW
Hot water flow rate: 9.9 L/min (35°C rise)
Seasonal space heating efficiency: 94% (Class A)
NOx Class 6 (low emissions)
Indoor sound level: 48 dB
Please note:
All gas boilers must be installed by RGII.ie registered and approved installers
Flue exhaust kits are required and sold separately
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
