Key Information
- Integrally bunded construction — provides additional protection against accidental leaks
- SuperSlim profile — ideal for properties with limited installation space
- Durable polyethylene construction — designed for long-term outdoor use
- EN13341 approved — meets recognised safety standards
- HVO compatible — suitable for renewable and traditional heating fuels
- 16" lockable access lid — allows secure and convenient access when required
- 4" lockable inspection cap — simplifies maintenance and inspections
- 2" BSP fill point — enables efficient fuel deliveries
- Bottom outlet connection — allows straightforward integration with heating systems
- Electronic gauge provision — supports simple fuel level monitoring
- Inner tank vent — promotes safe operation
- Moulded lifting handles — assist with positioning and installation
- Larger storage capacity — helps reduce the frequency of fuel deliveries
- Suitable for domestic heating systems — ideal for a wide range of properties
- 10-year warranty* — added peace of mind and long-term confidence
What's Included
- Harlequin Diamond 1400SSL Bunded SuperSlim Oil Storage Tank
The Harlequin Diamond 1400SSL Bunded SuperSlim Oil Storage Tank offers increased storage capacity without requiring a significantly larger footprint. Its slimline design makes it ideal for properties where installation space is restricted, while the larger capacity helps reduce the frequency of fuel deliveries.
Designed for modern domestic heating systems, it combines practical storage with robust construction to provide reliable performance year after year.
Integrally Bunded for Enhanced Protection
Safety is at the heart of the Diamond 1400SSL's design. The tank features an integrally bunded construction, with an outer containment tank surrounding the inner vessel to provide an additional layer of protection against accidental leaks.
Approved to EN13341 standards, it meets recognised safety requirements and provides added reassurance for homeowners investing in high-quality oil tanks.
Built to Withstand the Elements
Manufactured from durable medium-density polyethylene, the tank is designed to withstand outdoor conditions throughout the year. The corrosion-resistant material helps ensure long-term reliability while requiring minimal maintenance.
Its robust construction makes it an excellent choice for both new installations and replacement domestic oil tanks.
Easy Access and Fuel Management
The Diamond 1400SSL includes a large 16" lockable access lid and a 4" lockable inspection cap, making routine inspections and maintenance straightforward while helping keep the tank secure.
A dedicated 32mm opening is also included for fitting an electronic gauge, allowing convenient fuel level monitoring and helping homeowners manage their fuel supply more effectively.
Ready for Traditional and Renewable Fuels
Designed to support evolving fuel technologies, the tank is HVO compatible, allowing it to be used with renewable hydrotreated vegetable oil fuels as well as conventional heating oil.
Combined with its practical design features, this helps futureproof your heating installation while maintaining flexibility for years to come.
Ready to Upgrade Your Heating Fuel Storage?
If you're looking for dependable storage tanks that combine increased capacity, robust construction, and excellent safety features, the Harlequin Diamond 1400SSL is an outstanding choice. Order today from PlumbNation and invest in one of the most reliable oil tanks available for modern heating systems and domestic oil tanks installations.
*Warranty: 10 year conditional warranty only when product is registered on Harlequin's website.
