- VAT: Inc Ex
- Shop by department
- Back
- Building
- Timber
- Insulation Plastering
- Heating & Plumbing
- Bathrooms & Kitchens
- Doors, Floors & Joinery
- Tools & Hardware
- Paint & Decorating
- Electronics
- Paving & Decking
- Workwear & Safety
- Garden Centre
- Home Plus
- Handy Hardware
- Emergency & Repair Supplies
- Special Offers
- Contact Us
- Handy Hardware
Get €10 off on orders over €50 - Add TJY26 at checkout (T&C apply)
E-MAIL contact@tjomahony.ie
VAT: Inc Ex
Firebird Silverpac Slim 26Kw
Product Code
46EGE026SSL
Please note. All boilers must be installed by OFTEC registered & approved fitters.
Flu Exhaust Kits are available for your Boiler and are purchased separately.
Can we help you? Chat with an expert nowChat with an expert now
Deliver reliable, high-efficiency heating with the Firebird 20–26kW (Elco) Slimline Silverpac Oil Boiler, a robust outdoor condensing oil boiler engineered for traditional wet central heating systems with separate hot water cylinders. With an ErP A efficiency rating and built from premium-grade steel, this outdoor boiler is ideal where internal plant space is limited and reliable performance is essential.
Designed for outdoor use, the Slimline Silverpac features a weather-resistant casing and a built-in frost protection thermostat to safeguard against cold weather, enhancing reliability throughout the year. Fully insulated to reduce heat loss and equipped with a high-performance low NOx Elco burner, this boiler delivers efficient, clean combustion and quiet operation.
Service access is simplified with a removable back panel, making maintenance and commissioning straight-forward for installers. Supported by a 5-year warranty (terms & conditions apply), it’s a dependable choice for residential heating projects where performance and long service life matter.
Key Features
- Outdoor Condensing Oil Boiler: Ideal for external installation where interior space is limited.
- ErP A Efficiency Rating: High efficiency central heating performance.
- Premium Grade Steel Build: Durable construction engineered for outdoor use.
- Frost Protection Thermostat: Helps protect the boiler in freezing conditions.
- Low NOx Elco Burner: Efficient combustion with reduced emissions.
- Fully Insulated: Minimises heat loss for improved efficiency.
- Service Accessibility: Removable back panel for quick access and maintenance.
- 5-Year Warranty: Confidence-backed coverage (terms & conditions apply).
Technical Specification
- Product Name: Firebird 20–26kW (Elco) Slimline Silverpac Oil Boiler
- Product Code: U02479
- Boiler Type: Outdoor condensing oil boiler
- Fuel Type: Kerosene (oil)
- Heat Output: 20–26 kW
- Efficiency Class: ErP A rated
- Casing: Weather-resistant with insulation
- Burner: High-performance low NOx Elco burner
- Frost Protection: Built-in thermostat
- Access: Removable back panel for servicing
- Installation: Outdoor location (external)
- Warranty: 5 years (Ts & Cs apply)
| Energy Rating | A |
|---|---|
| Brand | Firebird |
| Provided by | TJ O'Mahony |
| Delivery Rule | large & heavy |
Last update: 02-Dec-2025
Delivery Timeframes:
-
Small Items: 2-3 working days
-
Large/ Bulky items: 5-7 working days
-
Extra Large appliances & TV's: 5-7 working days
-
Click & Collect: 1 working day
Delivery Zones (Nationwide):
-
Zone 1: Dublin, Galway, Kildare, Limerick, Meath, Offaly, Tipperary, Wexford, Wicklow
-
Zone 2: Carlow, Clare, Clifden, Kilkenny, Laois, Louth, Waterford, Westmeath
-
Zone 3: Cavan, Cork, Donegal, Kerry, Leitrim, Longford, Mayo, Monaghan, Roscommon, Sligo
Delivery Charges:
| Small & Light | Large & bulky | Extra Large | |
| Zone 1 | €9.99 | €25 | €50 |
| Free delivery on orders over €400 | no free delivery | ||
| Zone 2 | €9.99 | €50 | €50 |
| Zone 3 | €9.99 | N/A | N/A |
* Effective from 3 December 2025
* Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.
Zone Indicator:
To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:
| Types of goods | Available zones | Descriptions |
| Small & light items | All Zone area | Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors) |
| Large and bulky items Extra Large items |
Zone 1 & 2 only | Wet & hazardous bagged, items over 20Kg weight & oversized; Euronics white goods, TVs of all sizes. |
| Large Paint items (6L / 6L+) | Zone 1 only | Large hazardous items (6L+) - available for collection |
| Available zones | Indicator | Descriptions |
| All zone area |  |
This icon with all zone area in green, indicates this items can be shipped to all Zone. |
| Zone 1 & 2 only |  |
Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2 |
| Zone 1 only |  |
Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only. |
Old Appliance Collection:
When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.
Free Click & Collect:
Click & Collect is free and available on items in stock at your chosen branch. Click Here to see our Branch Locator.
How it works:
-
Place your order online
-
You will receive an order confirmation email
-
Our team processes your order, please allow up to 4 hours
-
Within branch opening hours, we aim to have your order ready the same day.
-
You will receive an email once your order is ready for collection.
At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within 30 days of delivery.
This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.
Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.
*View our full returns policy on our Terms &Conditions Page.